Ben Tennyson was a normal 10 year old kid until he found the Omnitrix but for his DLC battle with Beast Boy he's using these Alliens excluding Alien X and Way Big
- Big Chill
- Brainstorm
- Cannonbolt
- Chromastone
- Echo Echo
- Goop
- Humungousaur
- Jetray
- Lodestar
- Rath
- Spidermonkey
- Swampfire
- Wildmutt