Beetank sprite from MegaMan Battle Network.
Appears on these pages
Beetank, known as Kabutank (カブタンク, Kabutanku) in Japan and Bugtank in Mega Man Battle Network 5...
A list of all the viruses in Mega Man Battle Network 2. Images from Sprites INC
A list of all the viruses in Mega Man Battle Network 5. Note: If the portal to Nebula Area1 is...