Iggy Koopa

Iggy Koopa is a jokester and a crazy member of the Koopalings, a group composed of seven siblings who lead the Koopa Troop.

Super Mario Bros. 3
In Super Mario Bros. 3, Iggy and his siblings were sent by Bowser to cause havoc in the Mushroom World. Iggy decided to raid Big Island; when he got there, he attacked a Toad that was the King's attendent, stole the magic wand and transformed the King of Big Island into a Kong similar to Donkey Kong Jr.. Mario and Luigi arrived in Big Island to help. After the Bros. go all through the Airship, they fight Iggy in his cabin, the Koopaling lost the fight and the Bros. returned the King to normal.