North-Going Zax and South-Going Zax (a.k.a. The Zax) are two characters in Dr. Seuss. In Dr. Seuss on the Loose, they are both voiced by Hans Conried.
- 'Arry and Bert (Thomas the Tank Engine and Friends)
- Zebedee and Zak (TUGS)
- Biff and Bull (Shining Time Station)
- Larry "Cheatsy" Koopa and Roy "Bully" Koopa (Super Mario Bros.)
- Scratch and Grounder (Sonic the Hedgehog)
- Zilly and Klunk (Dastardly and Muttley)
- Danforth Drake and Roderick Rat (Tiny Toon Adventures)
- Slink and Toby (Arthur)
- Man Ray and the Dirty Bubble (SpongeBob SquarePants)
- Little Lincoln and Moose (Foster's Home for Imaginary Friends)
- Wynchel and Duncan (Wreck-it Ralph)
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