Bowser

Bowser (known as Koopa in Japan) is the main antagonist of the Super Mario series. He is the King of the Koopas, one of the races that live in the Mushroom World. He is always trying to capture Princess Peach, the Princess of the Mushroom Kingdom, but his plans are frustrated by Mario and Luigi. As time went on, Bowser started to partake in Kart races, sport competitions and parties with the rest of the Super Mario cast, and sometimes ha has even worked with the heroes to defeat common enemies.