| Name | Meaning | Gender | Origin |
|---|
| Alf | English, "wise counselor" | Male | English |
| Apollo | the mythological god of light and truth | Male | Greek |
| Axel | divine reward; divine source of life | Male | |
| Balboa | | Unisex | Hebrew |
| Baloo | | Unisex | Hebrew |
| Bam-Bam | | Unisex | Hebrew |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Male | Animal |
| Beefy | | Unisex | Hebrew |
| Big Ben | | Unisex | Hebrew |
| Big Boy | | Unisex | Hebrew |
| Big Foot | | Unisex | Hebrew |
| Big Red | | Unisex | Hebrew |
| Bobo | | Male | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | |
| Boris | A fighter, battler | Male | Slavic |
| Bruiser | A large heavyset man | Unisex | |
| Bucko | | Unisex | Hebrew |
| Bully | An overbearing person, a ruffian | Unisex | |
| Capone | | Male | Hebrew |
| Catzilla | | Unisex | Hebrew |
| Champ | A champion. | Male | |
| Chubbs | Rounded and plump. | Unisex | |
| Chubby | Rounded and plump | Unisex | |
| Chubby | Rounded and plump | Unisex | |
| Chucky | Man | Unisex | English |