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: Ultimate Alien (A Review) – Toonopolis, The Blog

Ben 10 Ultimate Alien: original alien design by r1tard on DeviantArt

Ben 10 Aliens by Wazzaldorp on Newgrounds

All 63 Ben's Aliens : r/Ben10

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

Original aliens

Who Were The Original Aliens On Ben 10?, aliens ben 10 classico

Ben 10 Alien Force: All Aliens' First Appearances

The original 10 aliens with Alien force clothes : r/Ben10

Ben 10 Aliens by kjmarch, Ben 10

Omnicoid Void: Spitter

Why doesn't Ben use his original 10 aliens in Omniverse at all? - Quora

Category:Omniverse Aliens, Ben 10 Wiki