Agumon is partner to the DigiDestined leader Taichi "Tai" Kamiya and often counterpoints his partner. While both are matched well in that they can act rather brashly and hot-headedly when their friends are in danger, Agumon is typically the more cautious one, even if his partner disregards his advice. The pair joke around with each other a lot and go through many trials together, but their trust in each other is evident.
Agumon is much like his partner in that he can be kind and compassionate, but he is more serious than Tai. Though he can act rashly, Agumon is more cautious and less prone to getting into sticky situations, though he follows and protects his partner all the way. He can get philosophical at times as well, as he manages to help BlackWarGreymon question his purpose.
- Pepper Breath (Baby Flame): Shoots an orange and red fireball from his mouth.
- Surudoi Tsume (するどいツメ, Surudoi Tsume? lit. "Sharp Claw"): Attacks with claws.
- Claw Attack (Cross Fight): Slashes with claws.
Koromon discovers his partner, Tai, after he comes to the Digital World unconscious. Introducing himself, Koromon sticks by Tai despite his confusion and eventually meets up with Koushiro "Izzy" Izumi and Motimon until Kuwagamon attacks them. Hiding in a tree to escape, the four eventually meet up with the rest of the DigiDestined, who attend the same summer camp as Tai and Izzy: Sora Takenouchi and Yokomon, Yamato "Matt" Ishida and Tsunomon, Mimi Tachikawa and Tanemon, Joe Kido and Bukamon, and Takeru "T.K." Takaishi and Tokomon. Unfortunately, Kuwagamon attacks them once more but Koromon, alongside the other Digimon, digivolves to his Rookie form to protect his partner and becomes Agumon. Though strong, Kuwagamon is still stronger, and they are thrown off a cliff. And so it begins...
Gomamon rescues them from drowning and the group ends up at a beach. Here, the DigiDestined discuss their good supply, and Agumon is the only one to eat in this time frame. Because Agumon is the only one to eat, he is the only one who has energy to battle the Shellmon who attacks, but he isn't strong enough to successfully fend him off. In order to help, Tai decides to provide a distraction. He is caught while doing so, and the rush of anger and protectiveness that Agumon feels spurs his digivolution into the Champion form Greymon, who defeats Shellmon. The Birth of Greymon
Agumon follows Tai as he leads the group on their journey through File Island. After the group gets separated by Devimon, Agumon helps Tai survive the freezing cold through judicious use of his Pepper Breath to create fire. Subzero Ice Punch!
Agumon returns to Primary Village in time to protect T.K., Matt's little brother, from Leomon as Greymon. They subsequently defeat Devimon and are told by Gennai to head to the Server Continent. The Legend of the DigiDestined Along the way, the group finds the Tags to their Crests but are attacked by Etemon on the Continent itself. The DigiDestined manage to escape into a tunnel, where Tai finds his Crest of Courage. The Dark Network of Etemon This brings Tai arrogance, however, as well as the ambition to get Agumon to digivolve into Ultimate. Despite his efforts to cool Tai down, Agumon suffers as Tai overfeeds him in order to give him energy. When Etemon traps them in an arena against another Greymon and Agumon digivolves to fight, he is beaten because his reaction times are so slow due to the food. Tai walks deliberately into trouble, knowing that danger is what causes their partners to digivolve, but it has the wrong effect: Greymon dark digivolves to SkullGreymon, who rampages around and takes out Garurumon, Birdramon and Kabuterimon before regressing into an exhausted Koromon. The Arrival of SkullGreymon As a result, both of them lose their confidence until Piximon arrives and forces them to face their doubts. Agumon views a time when Tai tried to learn how to ride a bike, and learns that he needs to bounce back after suffering from a defeat that despite all the hardship, all of the pain, he needs to come back after suffering defeat. The Piximon Cometh
Agumon continues to support Tai as they discover Etemon's main base of operations. When Tai finally discovers what Courage truly is, he walks alongside his partner as they aim to take on Etemon fused with his Dark Network Tai's unflinching courage causes his Crest to shine, and Agumon digivolves to his Ultimate form MetalGreymon. MetalGreymon defeats Etemon, but Etemon's massive energy causes a dimensional rift to open, which Tai and MetalGreymon are sucked into. The Earthquake of MetalGreymon
The warp leads back to the Real World, and Agumon has dedigivolved to Koromon during the transfer. Koromon follows his partner home and relaxes for a bit while taking care of his little sister Hikari "Kari" Kamiya, who seems to recognize him as Koromon, as she, though they do not remember, have met another Koromon before. Tai soon realizes that not only has little time passed but also that his friends haven't returned. Digimon then begin appear, though only he and his sister can see them. When Tai receives a warning from Izzy to not come back, Koromon becomes restless. Digivolving to Agumon and defeating an Ogremon, a dimensional warp opens. Agumon knows he must return and eventually convinces Tai to return as well, despite leaving his little sister behind. Home Away From Home
Upon their re-entry, Agumon finds the group in severe disarray. Time moves much quicker, and months have passed in the Digital World though only hours have in the Real World. The entire team has broken up, mainly to look for him an his partner, and are moving their separate ways. Tai and Agumon first locate T.K., who has been left alone by the rest of the group, and manages to convince him to reconcile with his partner, Patamon, rather than be manipulated by DemiDevimon. Forget About It! With T.K. and their partners, Tai leads them to a diner, where they find Matt and Joe and rescue them from Digitamamon. WereGarurumon's Diner Agumon and Tai join Joe in looking and find Mimi, managing to convince her to leave her princess life with the Otamamon and Gekomon. Princess Karaoke
By now, Myotismon has emerged as the next great threat, and he is in search of the eighth DigiDestined child (who they did not discover yet was kari ). The DigiDestined pursue him to the Real World through Myotismon's special gate. It's All In The Cards Throughout this time, Tai manages to hide Agumon from his family except Kari, who continues to recognize him. The Eighth Child Revealed When Gatomon is captured and Myotismon stages an all out attack to round up all the children to force Gatomon to find her partner, he and Greymon whisk Kari to safety, though they are unable to save his parents. Entrusting Kari to Matt, Tai and Greymon attempt to rescue the trapped citizens, though they only manage to make it in time to regroup with the DigiDestined in a final assault on Myotismon. Flower Power
After Myotismon is first defeated due to Wizardmon's sacrifice, Myotismon instead digivolves to VenomMyotismon. The Digidestined believe that the key to defeating VenomMyotismon is to have Angemon and Angewomon shoot Tai and Matt with arrows of hope and light. Prophecy Both of them agree, and Agumon and Gabumon warp digivolve into WarGreymon and MetalGarurumon, Mega Digimon who, with help, manage to defeat VenomMyotismon. Prophecy Thinking that it is finally over, the group is shocked to see the Digital World appear in the sky. The DigiDestined and their partners decide to go back to protect both worlds they love. All of them open another warp and go back to the Digital World to restore the balance. The Battle for Earth
The Dark Masters emerge as the major enemy, and it is revealed that they were the ones who warped and rebuilt the Digital World. Upon their return, Agumon is handily defeated even as WarGreymon, and it is only through the agency of Piximon, who tells the group that they must become strong, that they are able to escape the immediate situation. It is through his sacrifice that they are able to flee entirely. Enter The Dark Masters Tai takes this to mean that they must become physically strong, and he orders the group to defeat a Shellmon, whom they previously needed to digivolve to beat. Sea-Sick and Tired Izzy discovers his that his WarGreymon form is equipped with "Dramon Destroyers" able to work handily on Digimon with "Dramon" in their name, like the Dark Master MetalSeadramon they are up against. Agumon digivolves to WarGreymon to fight him, but he is being defeated. Under Pressure Through Whamon's sacrifice, WarGreymon defeats MetalSeadramon. Playing Games
In the Dark Master Puppetmon's forest, Agumon is rendered nearly useless by Puppetmon's manipulations, but T.K. manages to free them from Puppetmon's control. Playing Games As MetalGreymon, he manages to defend the group from attacking Garbagemon up until Matt and MetalGarurumon save them. Trash Day Tai's desire to continually move forward is at odds with Matt's need to mourn their lost, and that along with Cherrymon's manipulations culminate in Tai and Matt getting into a fistfight as WarGreymon duels with MetalGarurumon. Their battle ultimately causes a rift in the friends. Matt leaves to reevaluate his place in the group, while Mimi can't deal with the drama and the fighting and strikes off on her own, while Joe goes with her to make sure she is safe. The Ultimate Clash
While split, Kari falls ill, and Tai frantically searches for a cure for his sister, not knowing that it is the Dark Master Machinedramon's domain. My Sister's Keeper Though weakened by battle, Koromon is empowered by Kari's light to digivolve to WarGreymon and defeat Machinedramon once and for all. The Crest of Light
About to fight Piedmon, they are met by his vanguard LadyDevimon. Agumon wishes to fight, but Tai, with all of his personal growth, doesn't allow it. He, looking ahead, has MegaKabuterimon and Angewomon take care of it to allow Agumon to save his strength for Piedmon. Joe's Battle Tai and WarGreymon manage to hold the line against Piedmon until Matt returns, and the two reconcile, with Matt's Crest of Friendship healing WarGreymon's wounds. The Crest of Friendship Unfortunately, Piedmon proves to be too strong and captures him, Matt, and their partners by turning them into keychains. MagnaAngemon, Patamon's Ultimate form, saves them, and they manage to defeat Piedmon, only for Apocalymon to appear.
Apocalymon turns out to be a formidable foe, destroying their Crests and managing to turn them into free-floating data. Agumon tells the group to not give up and, bonding with Tai, declares that they are invincible together. Tai discovers that the Crest of Courage lies within him, and uses that power to digivolve Agumon to WarGreymon and return to normal. Now Apocalymon All together, the group defeats Apocalymon, with WarGreymon launching a Terra Force directly into his main body.
Unfortunately, the solar eclipse marks the rebirth of the Digital World. In the English version, it is thought that the gate would never reopen, stranding the DigiDestined in the Digital World, while the Japanese version has the reasoning that the Digital World might see them as foreign elements as it tries to recover and might delete them. Either way, the DigiDestined must leave their partners. Tai and Agumon reminisce at the spot where they fought Seadramon, joking and ribbing at each other.
the digidestind and their digimon now are worshiped by jungle people in an uncharted of the digital realm, at some point, they encountered Sam, Max, and a few others and ever since, then lead to a new found partnership to the shell louge squad.
After his Digi-Egg is rescued from the Dark Masters before the start of Digimon Adventure, Agumon hatches into Botamon on File Island. He eventually digivolves to Koromon while waiting for his partner to come. The Ultimate Clash
While waiting for his partner before the start of Digimon Adventure, Agumon digivolves to this form on File Island. With the rest of the DigiDestined's Digimon, he plays with the Digivices until they disappear one day, heralding the arrival of their partners. The Ultimate Clash Koromon finally meets his partner Tai while he is unconscious from his first arrival and tries to protect him when Kuwagamon attacks them. He digivolves to his main Agumon form when Kuwagamon corners him on his cliff face. And so it begins...
From then on, Koromon only appears when Agumon uses too much energy by digivolving to his Ultimate or Mega forms, such as after he dark digivolves to SkullGreymon The Arrival of SkullGreymon, after defeating Etemon as MetalGreymon Home Away From Home, and warp digivolving to WarGreymon to beat VenomMyotismon|VenomMyotismon. The Battle for Earth
Agumon first digivolves to Greymon to protect Tai from a wild Shellmon. The Birth of Greymon Greymon then becomes, for the most part, Agumon's default battle form as it provides a significant amount of strength without delving too deeply into his energy reserves. He uses it to take on Devimon The Legend of the DigiDestined and all threats up until Etemon, where he digivolves to MetalGreymon. The Earthquake of MetalGreymon Greymon still comes into use when they can't afford to spend too much energy, like while infiltrating Myotismon's castle to reach the gate The Gateway To Home or when fleeing his forces while in Odaiba. Flower Power
Agumon once again assumes his Greymon form in the sequel in order to protect areas liberated from the Digimon Emperor's control. Iron Vegiemon Unfortunately, when the Digimon Emperor discovers that his Dark Rings, devices he uses to control his Digimon slaves, don't work on Ultimate Digimon, he takes an interest in Greymon. Entrapping him with a Dark Ring, he attempts to use his Dark D-3 to digivolve him into Ultimate but only succeeds in creating SkullGreymon once more. The Emperor's New Home Numerous experiments on Greymon make the same result, only for the Digimon Emperor to create the improved Dark Spiral. The Captive Digimon
Greymon is Agumon's Champion Digivolution in Digimon Tamers: Brave Tamer, digivolving to him when he is level 11 with the default technique "Mega Flame".
SkullGreymon is the result of Tai's reckless actions in trying to make Agumon digivolve to Ultimate. By overfeeding him and then deliberately putting himself into danger, he gets Greymon to digivolve but through Dark Digivolution into this horrible form. He annihilates the Greymon attacking them but doesn't differentiate between friend and foe. He only stops when he runs out of energy and reverts to Koromon. The Arrival of SkullGreymon This action breaks the confidence of both Tai and Agumon, which only recovers through Piximon's special training. The Piximon Cometh At the end of the series, Gennai reveals that SkullGreymon isn't a wrong digivolution for Agumon, just that it isn't a Digimon suited for their purposes, in order to quell the conversation about Virus Digimon. The Fate of Two Worlds
Unfortunately, SkullGreymon makes another appearance in the sequel. When the Digimon Emperor takes control of Greymon with a Dark Ring, he tries to force him to digivolve into MetalGreymon. The result is the Dark Digivolution into the rampaging SkullGreymon. The Emperor's New Home Further experiments with the same result leads to the Digimon Emperor creating the improved Dark Spiral. The Captive Digimon
SkullGreymon appears in the 3rd CD Drama, when Agumon is criticized for his poor impersonations.
Greymon first digivolves to MetalGreymon to battle Etemon, when Tai learns the true nature of Courage in being stalwart and moving forward even when scared. MetalGreymon manages to take out Etemon, even when he is powered by his Dark Network. The Earthquake of MetalGreymon MetalGreymon then becomes the form that Agumon takes whenever they face an Ultimate Digimon to match power for power, such as against ShogunGekomon Princess Karaoke and SkullMeramon Gatomon Comes Calling, up until he attains his Mega form, WarGreymon
Between Digimon Adventure and its sequel, Gennai calls the DigiDestined to the Digital World in order to give up their Crest power to fully revitalize the Digital World with a protective barrier. As a result, Agumon loses the ability to become MetalGreymon. Fusion Confusion
In Digimon Adventure 02, however, the Digimon Emperor tests his new Dark Spiral on Greymon and dark digivolves him into a viral MetalGreymon. The Captive Digimon MetalGreymon wreaks havoc across the Digital World until he is confronted by the DigiDestined. Resolves to help in him in any way possible, the DigiDestined attack him, though Davis Motomiya holds back because he's afraid of hurting him. It takes the others to get Davis to realize that sometimes he has to hurt a friend to help him, and so he obtains the Digi-Egg of Friendship and gets his partner Veemon to digivolve to Raidramon and take out the Dark Spiral. Storm Of Friendship
When Arukenimon and Mummymon begin their invasion of the Real World, Agumon gains the ability to digivolve to MetalGreymon once more with the power of the Harmonious One Azulongmon's DigiCore. Dramon Power MetalGreymon helps MagnaAngemon deal with the Mamemon Brothers and the Control Spire in Paris, France. Digimon World Tour, Pt. 2 MetalGreymon appears one more time against SkullSatamon of the Daemon Corps, but he gives up his power to allow Imperialdramon to digivolve to his Fighter Mode. Invasion of the Daemon Corps
MetalGreymon is Agumon's Ultimate Digivolution in Digimon Tamers: Brave Tamer, digivolving to him when he is level 21 with the default technique "Giga Destroyer". Additionally, his viral version is called "MetalGreymon ER" to represent him under the control of the Dark Spiral (though the ER refers to the Dark Ring's original name of Evil Ring) and must be beat in order to save Davis and Veemon.
MetalGreymon is also Agumon's Ultimate Digivolution in Digimon Tamers: Digimon Medley. He appears in the following chapters: "Meikyuu no Nanomon" and the Paris path of the "Sango to Versailles Dairansen!" section of the "Zen'in Shutsudou! Imperialdramon" chapter.
WarGreymon is the result of a prophecy leading to VenomMyotismon's defeat. When Tai and Matt are pierced with arrows of hope and light, Agumon and Gabumon attain their Mega forms. Prophecy Together with the rest of the DigiDestined and their Digimon, they manage to defeat VenomMyotismon. The Battle for Earth
WarGreymon in instrumental in defeating the Dark Master MetalSeadramon, as he is equipped with the "Dramon Destroyer" gauntlets which do extra damage against Digimon with "Dramon" in their name. Unfortunately, it takes Whamon's sacrifice before WarGreymon can do so, by ripping MetalSeadramon apart from within. Under Pressure WarGreymon clashes with MetalGarurumon when Matt questions his place on the team The Ultimate Clash but defeats the Dark Master Machinedramon when powered by Hikari "Kari" Kamiya's light. The Crest of Light WarGreymon manages to hold the line against Piedmon until Matt arrives The Crest of Friendship, but he is turned into a keychain early in the full fight and requires MagnaAngemon to fully recover in time to defeat the jester. Piedmon's Last Jest In the final charge against Apocalymon, WarGreymon, with MetalGarurumon attacks Apocalymon's main body. The Fate of Two Worlds
Agumon digivolves to WarGreymon to fight Diaboromon, but he is beaten when the emails from around the world slow him down. Despite this, WarGreymon attempts to fight once more, and combined with the power from the hopes of everyone, DNA digivolves with MetalGarurumon to Omnimon. Our War Game!
Between Digimon Adventure and its sequel, Gennai calls the DigiDestined to the Digital World in order to give up their Crest power to fully revitalize the Digital World with a protective barrier. As a result, Agumon loses the ability to become WarGreymon. Fusion Confusion
In the sequel, when BlackWarGreymon emerges in the Real World to find/kill Yukio Oikawa, Agumon is sent to stop him. With a new upgrade from the Harmonious One Azulongmon, he is able to warp digivolve to WarGreymon. He and Tai confront BlackWarGreymon atop Mount Fuji, and they battle as Oikawa and company make their escape. The battle is fierce, destructive, and completely stalemated. Neither can get the upper hand until Imperialdramon intervenes. Duel of the WarGreymon He later appears to witness the last moments of BlackWarGreymon, whose death and noble sacrifice hit him hard. BlackWarGreymon's Destiny
WarGreymon is Agumon's Mega Digivolution in Digimon Tamers: Brave Tamer, digivolving to him when he is level 31 with the default technique "Gaia Force".
WarGreymon is also Agumon's Mega digivolution in Digimon Tamers: Digimon Medley. He appears in the following chapters: both versions of "Fukkatsu! Maou VenomVamdemon", the sections "Araburu Umi no Ou! MetalSeadramon", "Bakugeki Shirei! Mugendramon", and Jigoku no Doukeshi Piemon" of the "Ma no Yama no Shitennou! Dark Masters" chapter, and "Saigo no Ankoku Digimon".
Omnimon is a Mega Digimon that is the result of WarGreymon and MetalGarurumon DNA Digivolving. His right MetalGarurumon hand holds the "Garuru Cannon" and his left WarGreymon hand conceals the "Grey Sword", while his left arm also has the "Brave Shield Omega".
When Diaboromon threatens the world with a nuclear strike, WarGreymon and MetalGarurumon combine together with the power of all those who are watching their fight through the internet. Omnimon quickly clears the Diaboromon clones and takes out the true Diaboromon, which holds the timer for the nuclear missiles. Our War Game! This event is referenced and shown in Digimon Adventure 02: Tag Tamers as well as brought up in Digimon Adventure 02 when the new DigiDestined discover the ability to DNA Digivolve as well. Fusion Confusion
When Diaboromon returns after the events of the series, Omnimon reforms in the net and takes out Diaboromon with the help of Angemon and Angewomon. Unfortunately, this is all his plan to split into Kuramon who escape into the Real World and merge into a giant Armageddemon. Armageddeon proves to be a too powerful foe for Omnimon and Imperialdramon Fighter Mode. At their most desperate, Omnimon gives his power to Imperialdramon so that he can digivolve to his Paladin Mode and defeat Armageddemon once and for all. Revenge of Diaboromon
In Digimon Tamers: Brave Tamer, Omnimon can be used if Ryo Akiyama rescues both Tai and Matt, thus obtaining Agumon and Gabumon, and equips both with Calumon cards. He can then DNA Digivolve them to Omnimon during battle.
Omnimon is also a playable Digimon in Digimon Rumble Arena.