Bowser

Bowser, also known as King Koopa or King Bowser, is the main antagonist of Nintendo's Super Mario franchise. He is a large, fire-breathing, turtle-like creature who leads the Koopa Troop, and has been Mario's archenemy since his debut in Super Mario Bros. Bowser's primary goal is to kidnap Princess Peach and conquer the Mushroom Kingdom. Despite this, Bowser has occasionally teamed up with Mario against greater threats. His character design was inspired by the Ox-King from Journey to the West, combined with turtle characteristics. Bowser is known for his immense strength and iconic fire-breathing abilities across various games. His size varies across different titles, and he employs magic and other abilities. Bowser is not only a key character in the Super Mario series but has also appeared in other Mario games, such as Mario Kart and the Super Smash Bros. series.