MetalGreymon Virus is a villain from the Digimon Adventure, he is a slaves of the Digimon Emperor and he forces Agumon to dark digivolve into MetalGreymon Virus. He also known as BlackMetalGreymon. MetalGreymon (Virus) could be digivolved from BlackGreymon, Greymon, Devimon or DarkTyrannomon as well. He also digivolved to BlackWarGreymon or ChaosWarGreymon (instead)

Counterparts[]
- The Foreign Engine/Big City Engine, Spencer, Gordon, or Diesel (Thomas the Tank Engine and Friends/Railway Series)
- Bluenose, Zorran or Gordon (TUGS)
- Dr. Eggman, Shadow or Knuckles (Sonic)
- Donkey Kong (Mario)
- Sagat (Street Fighter)
- Kazuya Mishima/Devil, P.Jack, or Eddy Gordo (Tekken)
- Hobart Hume, Mr. Conductor's Evil Twin, Schemer or Billy Twofeathers (Shining Time Station)
- Shiny Charizard (Pokemon)