Stan was a minor character in Regular Show. He appeared in "I See Turtles" In which episode he was the antagonist.
He was the owner of Youth Topia, an illegal spa. He realised his spa turtle was getting old, so he ordered brand new ones for himself. Later he asked Officer Hank and Officer Glen to arrest Mordecai and CJ for trespassing. He was killed by Eileen's turtles.