- "Cliff Bleszinski" By Jos Sijbesma 2
- C Drabek 2
- C. Persskog 3
- C.Whitehouse 3
- C3nT 3
- c@pp@s 3
- c@pp@s & (;\Ang3L;/) 2
- c@pp@s n prin¢ess 5
- Cal 4
- Call me Erdrik 2
- Calle Persskog 2
- Callum 5
- Callum "Spiff" Ogden 24
- Callum 'Dax' Ogden 2
- CaMe 7
- Cang 'RaGnArOk' Huynh 2
- Cannibalbeast 3
- CannibasCorpse 8
- Canon 3
- Canus 2
- Captain Jerkoff 2
- Captain Mellow 5
- Cardiologist (original), EvilGrins (edited) 2
- Carey 'Gator' Grayson 6
- Carl "Lillkwist" Dominguez 2
- Carson "Dregs" Smith 4
- Carson "Equinox" McGlinn 8
- Casey "Caseyjuana" Collins 5
- Casey Collins ( \m/_Casejuana_\m/ ) 2
- CasualExplorer/Reviver 2
- Cathode_UT2004 2
- Cauldron Born 6
- Caylo Gypsyblood 6
- CDB Krizdom 3
- Cedric " Derdak2rot " Pierron 68
- Cedric 'Inoxx' Fiorentino 71
- Cedric 'Inoxx' Fiorentino & Kart 2
- Cedric 'Inoxx' Fiorentino (original), EvilGrins (edited) 2
- Cedric 'Inoxx' Fiorentino changed by Rens2Sea for MultiCTF 2
- Cedric 'Inoxx' Fiorentino Converted to Rune -=Dark=-Shadow 3
- Cedric 'Inoxx' Fiorentino-Reworked Itchy-Muff 3