Snakepit is the DNA sample of an unknown species from an uknown planet. He was mentioned by Kenny in the episode Ken 10 referring to him as "useless".
| Ben 10 Aliens | ||
|---|---|---|
| Original 10 (Ben 10) | ||
| Heatblast | Wildmutt | Diamondhead | XLR8 | Grey Matter | Four Arms | Stinkfly | Ripjaws | Upgrade | Ghostfreak | ||
| Additional Aliens (Ben 10) | ||
| Cannonbolt | Wildvine | Blitzwolfer | Snare-oh | Frankenstrike | Upchuck | Ditto | Eye Guy | Way Big | Eon (Alien) | ||
| Future Aliens (Ben 10) | ||
| Spitter | Buzzshock | Atomix | Snakepit | Sandbox | Shellhead | ||
| New 10 (Ben 10: Alien Force) | ||
| Swampfire | Echo Echo | Humungousaur | Jetray | Big Chill | Chromastone | Brainstorm | Spidermonkey | Goop | Alien X | ||
| Additional Aliens (Ben 10: Alien Force) | ||
| Lodestar | Nanomech | Rath | ||
| Ben 10: Ultimate Alien aliens | ||
| Water Hazard | AmpFibian | Armodrillo | Terraspin | NRG | Fasttrack | ChamAlien | Shocksquatch | Eatle | Clockwork | Jury Rigg | ||
| Ultimate Forms | ||
| Ultimate Humongousaur | Ultimate Swampfire | Ultimate Spidermonkey | Ultimate Big Chill | Ultimate Cannonbolt | Ultimate Echo Echo | Ultimate Wildmutt | Ultimate Way Big | Ultimate Ben (Alternate Future) | ||
| Ben 10: Omniverse aliens | ||
| Feedback | Bloxx | Gravattack | Crashhopper | Articguana | Ball Weevil | Walkatrout | Pesky Dust | Molestache | The Worst | Kickin Hawk | Toepick | Astrodactyl | Bullfrag | ||
| Power Of The Omnitrix Aliens | ||
| Rocks | Squidstrictor | ||
| Fused Aliens | ||
| Stink Arms | Diamond Matter | Heat Jaws |
