A lot of the characters in Kerwhizz have known family members.
Known Family Members Edit
- Nephews (Rocko and Ricko), seen in Planet Snout;
- Grandma Snout, mentioned in The Speedy Greedy Bake Race
- Nana, mentioned in the Slip and Slide Snow Ride
- Various family members, seen in various episodes
- Cousin Batterjack, seen in Spooky Speedway
- Cousin Tiddles, seen in The Great Space Race