- Claire first appeared in The Rudy Cootie Show!'s Pilot Episode.
- Claire was first seen as an infant in a portrait of herself when she and her friends were seen running from Claire's Sister in the episode "Rudy And The BullDog". However, She was transformed into a baby in the episode "The Baby Problem" by Nadia's Alien Pet.
- All of Claire's names begin with the letter "C".