KnightMan.EXE

Knightman is operated by Princess Pride, and is a very strong Net Navi. He carries a giant crushing ball by his side to hurl at his enemies. However he is also harboring a very important anti-virus program, which quickly becomes a target of Gospel. Freezeman hires the assassin Shadowman to go and delete Knightman and the program.

(Source: Rockman.exe Online)