Koopa are a collection of fictional species of turtles from the Super Mario series. Koopa may also refer to: · Koopa Troopa, enemy in Nintendo's "Mario" series of video games. · Bowser , leader of the Koopas, also known King Koopa, Koopa or King Bowser. · KOOPA, a UK band. · Chamillionaire or King Koopa, a rap artist. · DJ Koopa a British DJ and Producer.