Don Chan is a minor character in the Street Fighter series, primarily known as a background character rather than a playable fighter. He is depicted as a jovial, drum-shaped mascot inspired by the taiko drum from the popular rhythm game Taiko no Tatsujin, often seen in crossover events and special stages. Don Chan's role is to add a humorous and lighthearted touch to the Street Fighter universe, providing fun cameos and enhancing the atmosphere during certain in-game festivities.