Trap Master is a villain and a captain of the Nega Koopa Troop. He is a pink Koopa with a shape like that of Bowser Jr., and a Mario hat. He is favored by NintendoZero and is known for laying out wickedly exquisite traps. His enemies never suspect a thing until it is too late. He is also friends with Assassin Shell. He hates Battle Skull more than anything.