Bowser is a fictional character and the primary antagonist in the Super Mario video game series created by Nintendo. He is often depicted as a large, fire-breathing turtle-like creature known as a Koopa, and is infamous for kidnapping Princess Peach and battling Mario and Luigi throughout various games. Despite his villainous role, Bowser has become a beloved character in gaming culture. He is known for his distinctive appearance, powerful abilities, and humorous personality, often appearing in spin-off games like Mario Kart and Super Smash Bros., showcasing his versatility beyond being just a foe.