Iggy Koopa

The nerdy and bespectled member of the 7 Koopa Kids. Iggy has a mohawk like his brother Lemmy Koopa, and a thick pair of glasses. In Super Mario Bros. 3 he's the final boss of World 4, Giant Land. In Super Mario World he's the boss of World 1, Yoshi's Island. And he also appears in Yoshi's Safari and Mario and Luigi: Superstar Saga.