- Charlés is a talking cat with the same type of magic as Happy.
- Wendy found her as an egg and they have been together ever since.
- They are very close and Carla sees it as her duty to protect Wendy from danger.
- Her personality is strict and straight. She disapproves of fooling around.
- Towards Happy she is very cold at the beginning but starts to soften over time. Especially during the Edolas arc has their relationship improved.