| Name | Meaning | Gender | Origin |
| Achilles | Lipless | Male | Greek |
| Angus | One choice | Male | Gaelic |
| Argus | Bright | Male | Greek |
| Atlas | Not enduring | Unisex | Greek |
| Axel | Father of peace | Male | Hebrew |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Beast | | Unisex | Hebrew |
| Beastie | | Unisex | Hebrew |
| Belly | | Unisex | Hebrew |
| Big | Of considerable size. | Unisex | English |
| Biggie | | Unisex | Hebrew |
| Blitz | | Unisex | Hebrew |
| Bluto | | Unisex | Hebrew |
| Bogart | Orchard | Male | German |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Boris | Battle, fight | Male | Slavonic |
| Bowie | Yellow | Male | Gaelic |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bull | The adult male of certain large animals like cattle and elephants | Unisex | English |
| Bully | An overbearing person, a ruffian | Unisex | English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Caesar | Long Hair | Male | Latin |
| Captain | A captain | Unisex | English |
| Cartman | After the character in the Southpark cartoons | Unisex | English |
| Cassius | Empty | Male | Latin |
| Cherokee | People Of A Different Speech. One Of The Largest American Indian Tribes. | Unisex | English |
| Chubbs | Rounded and plump. | Unisex | English |
| Chubby | Rounded and plump | Unisex | English |