This is Yn alien list for now there will be more aliens soon

Way big
Gravattack
Water hazard
Wildmutt
Armadillo
Toepick
Jetray
Humungosaur
Xlr8
Rath
Shocksquatch
Echo echo
Heatblast
Upchuck
Ghost freak
Big chill
Grey matter
Diamond head
Four arms
Gutrot
Chromastone
Spider monkey
Goop
Articquana
Feed back
Cannonbolt
Blitzwolfer
Brainstorm
NRG
Clock work
Upgrade
Wildvine
Alien x