Who Were the Original Aliens in Ben 10?

All of Ben Tennyson's original alien transformations were cool, but some were much more useful than others, like Heatblast and Upgrade.
All of Ben Tennyson's original alien transformations were cool, but some were much more useful than others, like Stinkfly and Wildmutt.
Ben Tennyson finds an alien device that allows him to transform into ten beings in Ben 10.

Ben 10 Aliens by Wazzaldorp on Newgrounds

Z Juhn on Instagram: As a Ben 10 artist, it was only inevitable that I have my own set of 10 original aliens. So here you go! A bit messy, and these

EVERY CLASSIC ALIENS TRANSFORMATIONS IN OMNIVERSE

BEN 10 Alien Force Ultimate Alien Original Series Action Figures Lot of 5 CN

Ben 10 Aliens in Omniverse by rbta123 on DeviantArt

Ben's Arsenal, 5 Years later Wiki

X 上的 S.D.ARTS.10：「Ben 10 Tempest (Original Alien) #fanart #art #digitalart #digitaldrawing #ben10 #ben10fanart #ben10omniverse #Commission / X

Ben 10 UA Original Aliens by deadpool-spidey on DeviantArt

Various! Ben 10 Original Series x Female Ben Tennyson! Oc Insert - Character Oc Information - Wattpad

Ben 10 Alien Force: All Aliens' First Appearances

Original aliens