What is what animal is bowser?

Bowser is a fictional character and the primary antagonist in Nintendo's Mario franchise. He is a large, evil, fire-breathing turtle-like creature known as a Koopa who often kidnaps Princess Peach and battles Mario in an attempt to take over the Mushroom Kingdom. Bowser is typically depicted as a green, spiky-shelled creature with horns, sharp teeth, and a bushy mane of red hair. Despite being a villain, Bowser has also been portrayed in a more comedic and lighthearted manner in some games and media.