| Name | Meaning | Gender | Origin |
|---|
| Lucky | Fortunate | Unisex | English |
| Magic | Possessing qualities that produce baffling effects | Unisex | English |
| Marmaduke | Devotee of Maedoc | Male | Gaelic |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Max | Little Maximus | Male | Latin |
| Mighty | | Unisex | Hebrew |
| Mini | Something smaller than others of its type | Unisex | English |
| Miss | | Unisex | Hebrew |
| Mister | | Unisex | Hebrew |
| Mopsy | Term of affection, a darling. | Unisex | English |
| Muddy | | Unisex | Hebrew |
| Navigator | One who controls the course of a ship or airplane. | Unisex | English |
| Nemo | No one | Male | Latin |
| Neutron | | Unisex | Hebrew |
| Nibbler | | Unisex | Hebrew |
| Nipper | A small boy | Unisex | English |
| Nutmeg | | Unisex | Hebrew |
| Odie | Woad hill | Unisex | English |
| Oliver | Elf army | Male | French |
| Otto | Wealth | Male | German |
| Paws | | Unisex | Hebrew |
| Pluto | Wealth, riches | Unisex | Greek |
| Pongo | One who smells. | Unisex | English |
| Puddles | | Unisex | Hebrew |
| Puff | Expelling breath, a gust of wind or a small amount of smoke. | Unisex | English |
| Radar | | Unisex | Hebrew |
| Rags | | Unisex | Hebrew |
| Rambler | | Unisex | Hebrew |
| Ranger | Gamekeeper | Male | English |
| Rocket | To move swiftly and powerfully | Unisex | English |