Alien X, Ben 10 Wiki

Alien X is the Omnitrix's DNA sample of a Celestialsapien from the Forge of Creation. Alien X is a humanoid alien whose entire body is solid black, excluding his hands, which are white. He has tiny white star-like spots all over his body, giving him the appearance of a starry night sky. His eyes are green and lack pupils, and his forehead bears three horn-like protrusions. In Omniverse, Alien X is largely the same as before, but with minor changes. His chin is now bigger, his body is more muscul

Atomix's Species, Ben 10 Wiki

Ben 10 (TV Series 2005–2008) - IMDb

Alien X (Ben 10 Unleashed), Ben 10 Fan Fiction Wiki

EVERY ALIEN TRANSFORMATIONS IN ORIGINAL SERIES

Feedback, Ben 10 Wiki

Ben 10: Clockwork X vs Alien X - Battles - Comic Vine

Alien X (TNO), Ben 10 Fan Fiction Wiki

Gwen Tennyson - Wikipedia

Ben 10 Alien X-tinction (TV Episode 2021) - IMDb

The wiki seems to confirm UAF diamondhead is a petrosapien

Alien X/Gallery, Ben 10 Wiki, Fandom