Biff Atlas

Biff Atlas, the Bodybuilder (Japanese: マッディー Maddī), is one of the many ghosts featured in Luigi's Mansion. His first name is a pun on "biff", which is slang meaning "to hit". His last name is based on Atlas, a titan from Greek Mythology who was forced to hold up the Sky. His portrait number in Professor E. Gadd's gallery is 16.

In When the Cold Breeze Blows Away, he will serving for Undead Alliance to against Grand Alliance,which even fight heroes.