* ActorAllusion: JenniferHale playing a [[SpiderManTheAnimatedSeries cat-like cat burglar]].
* AllStarCast: The show has some of Western Animation's most famous voice acting names in it.
* CrossDressingVoices: TaraStrong as Omi. This is played straight for him in most languages. Except Italian.
** Creator/JeffBennett also played Clay's sister, Jesse.
* HeyItsThatVoice: Practically everyone: TomKenny as Raimundo and Hannibal Roy Bean, Creator/JeffBennett as Clay and Master Monk Guan, TaraStrong as Omi, GreyDeLisle as Kimiko, [[ToyStory2 Wayne Knight]] as Dojo, [[WesternAnimation/DaveTheBarbarian Danny Cooksey]] as Jack Spicer, MauriceLaMarche as Tubbimura and (from the [[TheOtherDarrin second season]] on) as Master Fung, JasonMarsden as Chase Young, JenniferHale as Katnappe, Creator/KevinMichaelRichardson as Pandabubba, [[TheManFromUNCLE Susan]] [[TheLifeAndTimesOfJuniperLee Silo]] as Wuya... See "Talking To Himself" for more details.
** In France, Jack Spicer is WesternAnimation/SpongebobSquarepants. Despite Raimundo being Spongebob in English.
** In Italy, Omi is [[{{Anime/Pokemon}} Ash Ketchum]].
*** Jack Spicer is Ash in Denmark.
* JustForFun: As most of you know, TomKenny is Raimundo and Hannibal Roy Bean. However, he also voices:
** Grand Master Dashi
** Vlad
** Klofange
** The street thugs in "My Homey Omi"
** The random Chinese man in "Pandatown"
** The Treasure of the Blind Swordsman
** Yes-Bot
** And many more... keep adding them as you recognize them!
* KeepCirculatingTheTapes: As of this writing, only Season 1 has ever been released on DVD. The only way to see Seasons 2 & 3 is by searching for it on Youtube. What makes this really bad is the fact that Season 1 ended on a cliffhanger.
* NamesTheSame: No Jack Spicer, evil boy genius, is not a [[http://en.wikipedia.org/wiki/Jack_Spicer poet from the San Francisco Renaissance]].
* TheOtherDarrin: During the first season, Master Fung was voiced by René Auberjonois. Then in seasons 2 and 3, he was replaced by MauriceLaMarche.
** The revival has an all-Canadian cast. Only Omi and Katnappe have their original voices, as TaraStrong and JenniferHale have dual citizenship.
* PlayingAgainstType: JasonMarsden as Chase Young.
* TalkingToHimself: Taken UpToEleven since the series was voiced by incredibly [[HeyItsThatVoice well-recognized]] and [[ManOfAThousandVoices prolific]] voice actors (see "Hey, It's That Voice!" above), as all four of the main character's voice actors - TomKenny, Creator/JeffBennett, TaraStrong, and GreyDeLisle - also voice multiple background characters and one-off villains. Even MauriceLaMarche gets in on the TalkingToHimself action. See the character page for details.
** In Venezuela, Omi and Wuya share a voice.
* WhatCouldHaveBeen: Jack Spicer was at one point supposed to pull a complete HeelFaceTurn and be named the Dragon of [[ExtraOreDinary Metal]].