| Name | Origin | Medium |
|---|
| Camelia (PopPixie of Plants) | PopPixie | Animated TV series |
| Camilla (PopPixie of Illusions) |
| Candy, Pop, Ricky/Ulric, Rufus/Brute, Margie/Brooha | Glitter Force/Smile Precure | Anime |
| Cappy | Ontama! |
| Caramel (also Cara, Pixie of Superstrength, PopPixie of Superstrength) | PopPixie, Winx Club | Animated TV series |
| Caramel, Pop, and Vanilla various | Yumeiro Pâtissière | Anime television series, manga, OVA |
| Cardan Greenbriar | The Folk of the Air | Book Series |
| Carmen | Winx Club | Animated TV series, comic |
| Carol | Animated TV series |
| Carolina (Fairy of Poetry) | Winx Club, Winx on Ice | Live show |
| Princess Catania | Barbie Mariposa | Animated film[1] |
| Celise | Winx Club | Video game |
| Cereal, Niina | Kero Kero Chime | Anime television series, manga |
| Chatta (Pixie of Gossip, Pixie of Chatter, PopPixie of Gossip) | Winx Club, PopPixie | Animated TV series, animated
|