Wolf O'Donnell is a recurring character in the Super Smash Bros. series, known as Dairantou Smash Bros. in Japan. Originally from the Star Fox franchise, Wolf is the cunning leader of Star Wolf, a rival mercenary team to Star Fox. In Smash Bros., he is portrayed as a powerful, agile fighter with a unique moveset, often positioned as an antagonist to Fox McCloud. Wolf's role adds diversity and rivalry to the game's roster, making him a fan-favorite villain.