* HeyItsThatVoice: Nermal is [[TheFairlyOddParents Chester McBadBat]].
** Garfield is...hell, [[Creator/FrankWelker everyone]]. Meanwhile, Jon is a [[Manga/{{Bleach}} red-haired jobbing shinigami]] and a [[{{Kekkaishi}} ghost dog who calls people "Honey"]].
* TheOtherDarrin: Creator/FrankWelker took over as Garfield because the original VA, Lorenzo Music, is no longer alive. Wally Wingert replaced [[OneBookAuthor Thom Huge]] as Jon.
* TalkingToHimself: Frank Welker voices the majority of the extras and secondary characters. In one episode, Garfield is terrorized in a nightmare by a talking scale (also voiced by Frank Welker); over the course of the dream, the scale slowly changes its shrill voice until it winds up with Frank Welker's [[InspectorGadget Dr. Claw]] voice.
** JasonMarsden also does several voices on the show.