** Lazlo and Clam are [[WesternAnimation/RockosModernLife Rocko]] and [[WesternAnimation/TheFairlyOddparents Mr. Crocker]].
** Lumpus and Slinkman are [[WesternAnimation/SpongeBobSquarePants SpongeBob]] and [[WesternAnimation/FostersHomeForImaginaryFriends Eduardo]].
** Raj and Samson are WesternAnimation/JohnnyBravo and [[WesternAnimation/DextersLaboratory Dexter's Dad]].
** Edward is [[WesternAnimation/SpongeBobSquarePants Plankton]].
** Patsy and Jane Doe are [[Disney/TheLittleMermaid Ariel]].
** The Dung Beetle brothers Chip and Skip are [[WesternAnimation/TheMarvelousMisadventuresOfFlapjack Dr. Barber]] and [[WesternAnimation/AdventureTime Peppermint Butler]]
** Nina, Gretchen and Miss Mucus are [[WesternAnimation/SpongeBobSquarePants Karen, Plankton's computer wife]].
** In Denmark, Patsy and Lazlo are:
*** [[WesternAnimation/FostersHomeForImaginaryFriends Mac and Bloo]]
*** [[WesternAnimation/EdEddNEddy Sarah and Eddy]]
* TalkingToHimself: TomKenny voices both Lumpus and Slinkman.
** Creator/CarlosAlazraqui voices Lazlo and Clam
** JeffBennett voices Raj and Samson
** In a LITTERAL case, Steve Little voices Brother dung Beetles Chip and Skip.
* ThrowItIn: [[WordOfGod According to]] [[http://joemurraystudio.com/character-museum/ this (under Scoutmaster Lumpus),]] the entire ending of "Lumpus' Last Stand" (wherein [[spoiler: Lumpus is revealed to be the fake scoutmaster, playing impostor to Heffer, who he locked up, and is thrown into the insane asylum]]) was thought up by Tom Kenny during a recording session. Joe Murray decided to use it because "It tied up his character well."
* KeepCirculatingTheTapes: A VERY VERY RARE Press Kit has a DVD of the first two episodes, Season one has been released on DVD but only for Region 4 and it's region locked, two episodes have appeared on the Cartoon Fridays DVD and a Christmas compilation. Thankfully the entire series can be bought off iTunes.
** The first two seasons are also on Netflix