- Cacodemon
- Caladra & Aurelion
- Calyz
- Carmanos
- Celestial Court
- Celestial Sons of Yelm
- Chal
- Chalana Arroy
- Chalk Man Spirit Society
- Choralinthor
- Chouanaibos
- City Gods
- Comb & Braid
- Creator
- Creek
- Crimson Bat
- Cronisper the Wise
- Ω Cerise Church
- Ω Chaghatishi
- Ω Cwurl Toran