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.

Original aliens

Ben 10 (2005 TV series) - Wikipedia

Ben 10 - Alien Experience : AR - Apps on Google Play

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

Ben 10 ultimate alien all characters

original ben 10 aliens, Ben 10, the original 10 aliens by ~Cyborgchimp on deviantART

Ben 10 Original Series All Aliens!(2006)

Original Playlist, Ben 10 Fan Fiction Wiki

Original Ben 10 Alien Counterparts of AF

Which of Ben's aliens are stronger, the original ten aliens from the original series or the Ten aliens from Alien Force minus Alien X and replace him with Rath? - Quora

Ben's Arsenal, 5 Years later Wiki

Turning aliens humanoid: Original Series : r/Ben10