Bowser - Super Mario Wiki, the Mario encyclopedia

Bowser, sometimes known as King Koopa or King Bowser, is the main antagonist of the Super Mario franchise. He is a large, powerful, fire-breathing Koopa who leads the Koopa Troop, an evil kingdom of turtle-like creatures, and has been the arch-nemesis of Mario since his debut in Super Mario Bros. He

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Bowser - Wikipedia

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Bowser - Super Mario Wiki, the Mario encyclopedia

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Jimman94 on X: Propably the most abscure mario character ever,mecha bowser,never heard of him?,well, that's logical.He mostly appears in mario kart tracks but he was once the main antagonist of a mario