0-9
A
B
- Bandit - Super Mario World 2: Yoshi's Island
- Beanish - Mario and Luigi: Superstar Saga
- Blargg - Super Mario World
- Blooper - Super Mario Bros.
- Bob-omb - Doki Doki Panic
- Boo - Super Mario Bros. 3
- Bristle - Paper Mario: The Thousand Year Door
- Bub-ulb - Paper Mario
- Bullet Bill - Super Mario Bros.
- Bully - Super Mario 64
- Buzzy Beetle - Super Mario Bros.