Petey Piranha driving with King Boo in Mario Kart: Double Dash!!
Petey Piranha is a character introduced to the Mario Kart series in Mario Kart: Double Dash!!. Roy is considered the leader of the Piranha Plants that appear in many of the games in the Mario series. He is a boss in New Super Mario Bros., Super Smash Bros. Brawl, and Super Mario Sunshine. Petey is a heavyweight character, meaning that his choice of karts tend to have a high top speed and traction, but poor acceleration and handling. In Double Dash!!, his default kart is the Piranha Pipes and his default partner is King Boo. He can use any special item, along with King Boo. Win the Mirror Star Cup to get him.