King Koopa is a large, powerful, fire-breathing Koopa who leads the Koopa Troop, an evil kingdom of turtle-like creatures, and has been the arch-nemesis of Mario since his debut in Super Mario Bros. He has repeatedly kidnapped or attempted to kidnap Princess Peach with the ultimate goal of defeating Mario and taking over the Mushroom Kingdom.
King Koopa has become one of the most iconic and recognizable villains in video game history. Everyone will know you are a fan when you wear this King Koopa Super Mario Bros. T-Shirt!
