Koopa is a fictional character from the popular video game series Super Mario, created by Nintendo. Koopa is often depicted as a turtle-like creature, known for its distinctive shell and mischievous personality. The character typically serves as an antagonist, frequently battling Mario and his friends in various games. In the Super Mario universe, Koopa is part of a larger group known as the Koopa Troop, which includes various other turtle-like enemies. The most famous member of this group is Bowser, who is the main villain in many Super Mario games. Koopa characters often have unique abilities and play significant roles in the game's challenges.