* ActorAllusion: When Freddy was trying to come up with a new catchphrase and he says "Hey, what about [[WesternAnimation/PinkyAndTheBrain narf?"]], Peck (Creator/RobPaulsen) says "Nah."
** Creator/JimCummings guest stars in "Iron Otis" as a RaginCajun trying to kill a character voiced by Rob Paulsen. [[WesternAnimation/TeenageMutantNinjaTurtles1987 Sounds familiar.]]
** John Kassir voices the spirit of a dead rabbit in "The Haunting". [[WesternAnimation/TinyToonAdventures This isn't the only time he voiced a rabbit.]]
* TheOtherDarrin: Otis - Kevin James (movie) and Chris Hardwick (series).