Bowser Koopa, known as クッパ大魔王 in Japanese, is the primary antagonist of the Super Mario series. He is the king of the Koopas, a race of turtle-like creatures, and is known for his immense strength, fiery breath, and cunning tactics. Bowser frequently kidnaps Princess Peach and attempts to conquer the Mushroom Kingdom. Despite his villainous role, Bowser occasionally teams up with Mario to face greater threats. His character is iconic in the gaming world, often portrayed as both a fearsome adversary and a comedic figure.