| Name | Meaning | Gender | Origin |
|---|
| Cinder | | Unisex | Hebrew |
| Clarence | Of Clare | Male | English |
| Coby | Supplanter | Unisex | Hebrew |
| Coco | A Pet Name. | Unisex | French |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Connie | Steadfast | Unisex | Latin |
| Connor | Lover of hounds | Male | Gaelic |
| Cookie | A small flat, crisp cake | Unisex | English |
| Cooper | Barrel maker | Male | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Crimson | Crimson, red | Unisex | English |
| Cupid | Desire | Unisex | Latin |
| Damien | To tame | Male | Greek |
| Dart | | Unisex | Hebrew |
| Diesel | | Unisex | Hebrew |
| Dilly | From Standard Word Meaning Genuine Or Sincere. | Unisex | Welsh |
| Dixie | Strong power | Male | English |
| Duchess | From the AristoCats | Unisex | English |
| Duke | Duke | Male | English |
| Edgar | Protector of the good | Male | English |
| Ethan | Strong, firm, impetuous | Male | Hebrew |
| Flash | To move rapidly. | Unisex | English |
| Flint | A flint-worker | Male | English |
| Frankie | Diminutive Of Frank Free: A Free Man. Frankie Is Occasionally Used For Girls. | Male | English |
| Frasier | Uncertain, perhaps from Frisia | Male | English |
| Freddie | Peaceful ruler | Male | German |
| Gem | Gemstone | Unisex | English |
| Gemini | Twin | Unisex | Latin |
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Godzilla | | Unisex | Hebrew |