Greymon (Blue)

BlackGreymon is a viral Greymon, more blue than actually black.

Digimon World Data Squad
Greymon (Blue) is an unlockable digivolution in Biyomon's galaxy. He also appears as an enemy in some zones.

Digital Monster D-Project
A bluish virus version of Greymon can be seen in the Digimon Dictionary.

Digimon Rumble Arena 2
BlackGreymon is the digivolution of BlackAgumon, and can warp digivolve into BlackWarGreymon.

Attacks Attacks in Digimon Rumble Arena 2
 * Bit Fire: Breathes out a small ball of fire.
 * Great Antler: Attacks multiple times with the horns on the head.
 * Flame Breath (Mega Flame): Breathes fire.
 * Fire Horn: Attack with a burning horn of fire.
 * Grey Tooth
 * Great Antler Attack (Great Horn Attack)
 * Great Antler Bash (Great Horn)
 * Tail Whip
 * Great Antler Drop (Great Horn)