Crystal Avalon
- Fantasy manga in a world of gods and clans. Based on game elements developed at Phidar MUD.
- http://www.steelphoenix.com/projects/Crystal/

Can You Keep a Secret?
- A shounen-ai comic. There's a new student at SMH, and Darren can't kick the feeling that he's seen him somewhere before.
- http://cykas.comicgenesis.com/

Cryptid Goth
- A cryptid human is caught in an ancient battle between cryptid demons and goth angels.
- http://cryptidgoth.comicgenesis.com/

Chibi Alex-chan's Manga
- Personal manga site featuring short comics and an ongoing story titled "Child of the Pomegranate." Inspired by Greek myth.
- http://chibialex.comicgenesis.com/

Cascade Failure
- A weekly comic. The manga-esque adventures of a group of students on a computer games technology course in Scotland.
- http://cascadefailure.comicgenesis.com/

Cartoon Leap: Swordcerers Online
- About a warrior sent on a quest by a goddess in a headband. Also includes a forum and links.
- http://www.cartoonleap.com/

Cabbit's Desk
- Large collection of completed Manga, comic strips and art by Meg Metzger.
- http://angelcabbit.tripod.com/

Chronicle of a Drow Sorceress
- Full-color fantasy manga about the life of a young drow girl chosen by fate.
- http://www.drowtales.com

Cyyeun Studio
- Mikka meets strange and interesting creatures as he travels around. Also features art gallery and an original Pokemon doujinshi.
- http://xepher.net/~cyyeun/

Copy Cat Anma
- A collaborative manga project about a girl named Anma whose father was killed at Anime Expo and must now use her otaku powers to avenge his death.
- http://copycatanma.tripod.com/

Crystal Cards
- A group of typical shoujo-style teenagers get involved in magical adventures when one of them saves a stuffed toy rabbit. Includes a gallery of the artist's work, other media, and links.
- http://xepher.net/~feonixmo0n/