->Voiced by: Creator/JimCummings
* AntiHero (Type IV)/ AntiVillain (Type I)
* ElectiveUnintelligible
* IronButtMonkey
* PunchClockVillain: Replaced [[WesternAnimation/RalphWolfAndSamSheepdog Ralph Wolf]] in one episode.

->Voiced by: Miriam Flynn
* GoodParents
* HappilyMarried: With Hugh.
* NiceGirl

->Voiced by: Creator/MauriceLaMarche
* GoodParents
* HappilyMarried: With Jean.
* MellowFellow: Is hardly seen without a laid-back demeanor and a half-eyed smile on his face.
* NiceGuy
* NoCelebritiesWereHarmed: Of Music/BingCrosby.
* TrademarkFavoriteFood: OJ.

->Voiced by: Debi Derryberry
* CheerfulChild

->Voiced by: Kellie Martin
* ValleyGirl

!Digeri Dingo
->Voiced by: Creator/RobPaulsen
* DeadpanSnarker
* FourthWallObserver
* JerkWithAHeartOfGold

!Wendell T. Wolf
->Voiced by: Jim Cummings
* LastOfHisKind: He's the last Tasmanian wolf (Thylacine).
* NoCelebritiesWereHarmed: Of Creator/WoodyAllen.
* VisualPun: May be the reason why he resembles a gray wolf (with a pouch) instead of an actual thylacine.

!Francis X. Bushlad
->Voiced by: Rob Paulsen
* {{Determinator}}: He NEVER gives up trying to catch Taz.

!Bushwacker Bob
->Voiced by: Jim Cummings
* GrumpyBear
* HiddenHeartOfGold
* {{Jerkass}}: He ''does'' have a soft side, but it appears in about once in a blue moon.

->Voiced by: Rosalyn Landor

!Constance Koala
->Voiced by: Rosalyn Landor
* CuteBruiser: "Autograph Pound" is one example.

!Mr. Thickly
->Voiced by: Creator/DanCastellaneta
* KangaroosRepresentAustralia: Technically a wallaby.
* KnowNothingKnowItAll
* NiceGuy

!Bull Gator
->Voiced by: John Astin
* AffablyEvil
* AntiVillain: He and Axl just want to please to zoo-going children of the world. And get money for doing so.
* FourthWallObserver: Sometimes Bull shows signs of Medium Awareness, and acknowledgement, that he exists on an animated television show.
* LizardFolk: Of the Alligator variety.
* PunchClockVillain
* RidiculouslyCuteCritter
* SesquipedalianLoquaciousness: He is known to make liberal use of phrases and linguistics not commonly heard by the layman.
* WellIntentionedExtremist

->Voiced by: Rob Paulsen
* LizardFolk: Of the Alligator-type, just like Bull.
* MinionWithAnFInEvil
* ObfuscatingStupidity: One episode reveals that he holds multiple degrees, including a doctorate in biomolecular engineering, and he just acts stupid because it's part of being a sidekick.
* PunchClockVillain: Seems to be this, just like his superior above.
* RidiculouslyCuteCritter

!Buddy Boar
->Voiced by: Jim Cummings
* FlatCharacter: Arguably, the most boring character on the show.
* PutOnABus

!The Platypus Brothers
->Voiced by: Maurice [=LaMarche=] (Daniel); Rob Paulsen (Timothy)
* DitzyGenius: There is no doubt that they are skilled inventors, but their common sense leaves a lot to be desired.
* EverythingsBetterWithPlatypi
* IdenticalTwinIDTag: Timothy wears glasses.
* NiceGuy

* {{Expy}}: Of the Road Runner.
* RidiculouslyCuteCritter

* {{Lilliputians}}
* {{Ridiculously Cute Critter}}s

!Willie Wombat
->Voiced by: Maurice [=LaMarche=]
* {{Expy}}: Of WesternAnimation/BugsBunny, much to his chagrin.
* NiceGuy