I feel the need to shine light on this. No, you are not required to change your character's name, but you may.

Angelic Names
Angels are named after
-The light, bright things in general
-Soft, warmly colored flowers
-Variations of "cat" or "feline"
-Variations of animal names, specifically animals that fly.
-Stars


Dark Angelic Names
Dark Angels are named after
-The dark, shadowy things in general
-Dark, mysterious flowers or plants
-Variations or "cat" or "feline"
-Variations of animal names, specifically nocturnal animals
-Planets
-Rocks and minerals

Naribian Names
Naribians(Market cats, no elemental power) are named after
-Modern names, such as "Alex, Cody, Marissa, Tony, etc."