Which of these celebrities was not a member of the Jackson 5?

Bo Jackson was not a member of the Jackson 5 because he is a former professional American football and baseball player, not a singer or entertainer. The Jackson 5 was a family band formed by the Jackson brothers - Jackie, Tito, Jermaine, Marlon, and Michael Jackson - known for their successful music career in the 1970s. Bo Jackson achieved fame in the sports world and is widely regarded as one of the greatest athletes in American history, but he has no affiliation with the Jackson 5 or the music industry.