| Health | 8 |
| Speed | 4 |
| Fire Rate | 1 |
| Accuracy | 1 |
| Starting Weapon | Golden Frog Pistol |
| Passive | Immune to Gas |
| Downside | Can't stand still |
| Active | Toxic Cloud |
| Unlock Method | Put a Frog Pistol in the Proto Chest |
| Voice Actor | Jukio Kallio |
Frog has an awkward movement system and very specific, niche abilities, being typically considered either a challenge or joke character depending on who you ask.