| Name | Meaning | Gender | Origin |
|---|
| Rambo | | Unisex | Hebrew |
| Rascal | One that is playfully mischievous | Unisex | English |
| Raven | Raven | Male | English |
| Rio | River | Male | Spanish |
| Rocket | To move swiftly and powerfully | Unisex | English |
| Rookie | | Unisex | Hebrew |
| Rufus | Red | Male | Latin |
| Savon | Soapmaker | Male | French |
| Skeeter | | Unisex | Hebrew |
| Skittles | | Unisex | Hebrew |
| Sniper | A skilled shooter who spots targets from a concealed place. | Unisex | English |
| Spanky | | Unisex | Hebrew |
| Sparky | Animated, lively. | Unisex | English |
| Spaz | For a spazy kitty | Unisex | English |
| Speedy | Rapid motion, swift. | Unisex | English |
| Spirit | Part of the human being associated with the mind. Vigorous or animated state - spirited. Also distilled alcohol. | Unisex | English |
| Spunky | Spirited, plucky. | Unisex | English |
| Sticky | | Unisex | Hebrew |
| Tansy | Immortal | Male | Greek |
| Taz | Wild Animal, Thrid Born | Unisex | American |
| Thumper | To walk with heavy steps | Unisex | English |
| Tony | Derived From Victoria Triumphant. | Male | Latin |
| Trouble | A cause of disturbance or difficulty. | Unisex | English |
| Turbo | Driven by a turbine - turbocharged | Unisex | English |
| Wren | Wren | Male | English |
| Yoshi | Righteous | Male | Japanese |
| Zippy | | Unisex | Hebrew |
| Zorro | Means fox in Spanish. | Male | English |