'Entourage' smackdown

Same: B-list bros

Both Vince and Mark are stars that have eclipsed famous brothers who broke into the industry before them but lacked their longevity. Mark's brother Donnie, now a working actor, was a member of New Kids on the Block, while Vince's brother Johnny "Drama" Chase starred in a syndicated fantasy TV show called "Viking Quest." Seems Drama is having more luck with the cyclical nature of fame than his inspiration...