Franklin King is the older brother of Rodney King.
When Rallo discovers he can control Cleveland Jr.'s movements while in a baby carrier in "Yemen Party", he gets the idea for them to join forces to stop the playground bully, Rodney. Rodney decides to turn the tables by employing his own oversized brother Franklin in the same manner. The four battle until both older brothers are knocked senseless and Rallo and Rodney decides to become friends.
Franklin is voiced by Jamie Kennedy.