Not much is known about Stop Sign, other than that he gets recovered by Recovery Cube after Playdoh comes up with an idea to get it to recover something octagonal. Immediately after he is recovered, he is killed again by Rosey as she smashes their head into the floor to take to Daddy Long Legs in order to win the challenge. It is unknown where Stop Sign comes from and how he was able to be recovered in the first place.Stop Sign appears to be a tall, traditional stop sign.