Bloxx: 

Gravattack: 

Crashhopper: 

Ball Weevil: 

Walkatrout: 

Pesky Dust: 

Mole-Stache: 

The Worst: 

Kickin Hawk: 

Toepick: 

Astrodactyl: 

Bullfrag: 

Atomix: 

Gutrot: 

Whampire: 

This is all I could think for the aliens. If you guys have any ideas for OC Aliens or Ultimate, Fusion, Omni-Enhanced, Omni-Kx, and Omni-Naut aliens, let me know at the comments below. Peace out and enjoy!