ChaosWarGreymonplz

"WOOOW"

As taken from sources:

ChaosBlackWarGreymon is a Mega Digimon whose name and design are derived from "ChaosBlackWarGreymon" or "Chaos WarGreymon". [N/A] It is a variant of WarGreymon in grays and silvers, [N/A] although it lacks the pauldron-spikes that WarGreymon has. Both titles ChaosBlackWarGreymon, ChaosWarGreymon, Chaos Greymon, and C-WarGreymon are recorded to have been used in game battle appearance. Active respondance to either has been noted.
[N/A]
Recorded attack techniques Gaia Force; Giga Destroyer.
[N/A]

This character was also recognized in their appearance in Digimon World 2. Their description there as taken from sources:
Chaos Greymon is a variation of War Greymon, an enemy Digimon in game, and one of the three Chaos Generals [side note: three powerful Mega-level Digimon working under Chaos Lord and presumably the most powerful Wild Digimon after him. Each Chaos General has a Chaos Ring, a valuable item which, when combined with the two other Chaos Rings, can reveal the location of Soft Domain, where Chaos Lord lies. Each member have their own opinion of the character Crimson.] On his team are Triceramon and Anomalocarimon. He can be found in Patch Domain, during Mission 17 in Reverb Hole.
Evolves to Neo Crimson [side note: with Crimson, Chaos Lord, Chaos Seadramon and Chaos Piemon]