In the English version, he was voiced by Lex Lang in Digimon Adventure series and replace to Kyle Hebert play role in Digimon Adventure tri..
In the Japanese version, he is voiced by Chika Sakamoto.
He is a Mega Level Digimon that resembles an armored dragon warrior that is golden-yellow colored.
WarGreymon is Agumon's Mega form. He is equipped with the "Dramon Destroyer" (Dramon Killer) gauntlets and the "Brave Shield" on his back.
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. Together with the rest of the DigiDestined and their Digimon, they manage to defeat VenomMyotismon.
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 but defeats the Dark Master Machinedramon when powered by Kari Kamiya's light. WarGreymon manages to hold the line against Piedmon until Matt arrives, but he is turned into a keychain early in the full fight and requires MagnaAngemon to fully recover in time to defeat the jester. In the final charge against Apocalymon, WarGreymon, with MetalGarurumon, attacks Apocalymon's main body.
Digimon: The Movie
Agumon wrap digivolves to WarGreymon to fight Diaboromon, but he & MetalGarurumon are slowed by the many emails kids from around the world send in encouragement. In frustration, Tai smacks the computer screen and causes the connection to crash. After rebooting, Tai finds a near comatose WarGreymon, with Infermon nowhere to be seen.
With more encouragement, however, they set out toward Infermon, who has now digivolved into Diaboromon and is multiplying to mask his original body. The emails from around the world still slow WarGreymon, and Tai, feeling for his partner's broken state, somehow manages to transport himself into the Internet along with Matt. Between their power and the strength of the world's children, WarGreymon and MetalGarurumon DNA digivolve into Omnimon, and, with the aid of the very same emails which slowed his Digimon, manage to defeat Diaboromon in time to stop the nuclear missile from detonating.
Digimon Adventure 02
In May 2000, 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.
In 2002, when BlackWarGreymon emerges in the Real World to find and kill Yukio Oikawa, Agumon is sent to stop him. With a new upgrade from the Harmonious One Azulongmon, he is once again able to warp digivolve to WarGreymon. He and Tai confront BlackWarGreymon atop Mount Fuji, and they battle as the others pursue Oikawa's fleeing posse. The battle is fierce, destructive, and completely stalemated. Neither can get the upper hand until Imperialdramon Fighter Mode intervenes. He later shows up to witness the last moments of BlackWarGreymon, whose noble sacrifice and death hit him hard.
Digimon Adventure tri.
MetalGreymon digivolve again to WarGreymon and DNA-Digivolve with MetalGarurumon to become Omnimon to fight Alphamon.
Infected MetalGreymon digivole to Infected WarGreymon, turn on his Digimon Friends. HerculesKabuterimon snaps the Digimon out of their infection before using all of his strength to push them back into the distortion before the reboot occurs. HerculesKabuterimon pleads with the partners to remember themselves at the final moments. The others fight off the infection just long enough to force them all back into the distortion as the reboot occurs.
MetalGreymon digivolve to WarGreymon, then DNA-Digivolve with MetalGarurumon to Omnimon to stop Raguelmon, Alphamon, and Jesmon.
MetalGreymon digivolve to WarGreymon, then DNA-Digivolve with MetalGarurumon to Omnimon to fight Ordinemon with help of HerculesKabuterimon, Phoenixmon, Vikemon, Rosemon, Seraphimon and Magnadramon.
- WarGreymon is measured to be approx. 10 feet tall. Though to be shorter than his previous digivolution, he's far stronger.
- WarGreymon is one of the most popular Digimons around.
- His first English Voice Actor, Lex Lang, also voiced Rapidmon in Digimon: The Movie, Cyberdramon in Digimon Tamers, and Sagara Sanosuke in Rurouni Kenshin.