Stop Sign “ Woah, what was all that about? I wanted to go too! ” — Stop Sign, Trip to Invisible Town Stop Sign is a cameo character who appeared in Trip to Invisible Town. Appearance Stop Sign appears to be a tall, traditional stop sign, whose body is a steel pole with four circular indentations, and a bright red, octagonal sign for a head. Personality 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 recov