Foul Play In Funland
Charlie is a robot that is in "Foul Play in Funland", an episode from Scooby-Doo, Where Are You! In the end of the episode, Charlie reforms and pets Scooby gently.
Scooby-Doo 2: Monsters Unleashed
He makes a cameo as a neon face in the Faux ghost in Scooby-Doo 2: Monsters Unleashed.
Scooby-Doo Mystery Incorporated
He is one of the costumes seen in the Crystal Cove Spook Museum.