Talk about being typecast, John Travolta, the star of "Grease" and the remake of "Hairspray," got his big break during the early 70's when athletic-themed commercials featured a lot of scenes of men singing in the shower for some reason. Singing in commercials for Band-Aid's and Safeguard while washing-up with the rest of his team mates, the former jingle was actually written by Barry Manilow, according to Mental Floss.

Watch the Band-Aid's and Safeguard commercial here.