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 Original Series All Aliens by ChemistryChandra on DeviantArt

Which alien from the original series is your least favorite? : r/Ben10

Ben 10 Aliens

Create a Ben 10 Aliens (original ben 10 aliens) Tier List - TierMaker

Ben 10 omniverse: original alien design by r1tard on DeviantArt, aliens ben 10 omniverse

Top 10 Favourite Ben 10 Aliens

STL file BEN 10 - ALIEN UPGRADE FANART 👽・3D print model to download・Cults

ben 10, ben 10 original aliens Diagram

My First 10 Ben 10 Aliens by EnderKnight1 on DeviantArt