- On Dangerous Ground
- The Mission
- Sister Act / Something's Got to Give
- The Death of Romance
- The Tale of Len and Squiggy / The Tale of Ren and Stumpy
- The House of Zappa / Sibling Rivalry
- Heavy the Crown
- Journey's End
- A New Day
- Farewell My Lovely
- Three Degrees of Separation
- The Graduate
- A Family at War
Flower - The dominant female of the Whiskers, wears a radio collar.
Zaphod - The dominant male of the Whiskers.
Rocket Dog - Flower's daughter who struggles to lead the Whiskers.
Maybelline - A rebellious daughter who competes for the position of dominant female.
Mitch - A brave son of Flower and Zaphod who often rescues pups.
Daisy - One of Flower's daughters who falls pregnant to Houdini and his Zappa companions.
Sophie - Mozart's daughter who often babysits and teaches pups how to hunt.
Jogu - One of Tosca's sons who helps to babysit.
McMurphy - One of Tosca's sons.
Lyric - A subordinate female.
Bananas - A babysitter for Len and Squiggy (only mentioned in the UK version).
Clive - A pup from season one who is now an adult.
Liz - She always supports her dad, Zaphod.
Lizzie - The only female of her litter. She favors the babysitter, Sophie.
Busta - A son who loves play-fighting with his brother.
Suggs - A son of Flower and Zaphod
Len - A small male pup who falls victim to a bird of prey.
Squiggy - A small male pup born with a deformed leg.
Hannibal - The one-eyed, vicious dominant male of the Commandos.
Nikita - The pup-eating dominant female of the Commandos.
Wilson - A young, inexperienced roving male.
Mozart - Flower's resilient daughter who competes for the position of dominant female.
Kinkaju - Flower's daughter who competes for the position of dominant female.
Carlos - The dominant male of the Starsky who suffers from a wound.
Shady - A younger member of the group.
Houdini - The "Don Juan" of the desert, later becomes the dominant male of the Zappa.
Lola - The dominant female of the Zappa who was later overthrown.
Punk - The sister of Lola, she assumes the position of dominant female.
Frank - A large male and dominant male, until he's overthrown by Houdini.
Melanie - An evicted female who mates with Jogu.
Axel - A pup who is abandoned, but later adopted into the Whiskers.