Yondu Udonta is a fictional character from the Marvel Comics universe, primarily known for his role in the Guardians of the Galaxy series. He is depicted as a blue-skinned alien and a member of the Yaka species, recognized for his distinctive red fin on his head. Yondu is a skilled archer, using a unique arrow that he can control through whistling. In the Marvel Cinematic Universe, Yondu is portrayed by actor Michael Rooker. He serves as a father figure to Peter Quill, also known as Star-Lord, and is the leader of the Ravagers, a group of space pirates. His character evolves throughout the films, showcasing themes of redemption and family.