Alien X (Earth-32)/Dimension 1

Alien X is the Omnitrix's 1.5 DNA sample of a Celestialsapien from the Forge of Creation in Ben 10: Omnitrix Unlimited.

Pre-Recalibration
Alien X did not appear before the Omnitrix's 1.5 recalibration in Ben 10: Across the 23rd Dimension, so his appearance remains unknown.

Post-Recalibration
Alien X has his Alien Force/Ultimate Alien appearance.

Albedo as Negative Alien X
Negative Alien X has Alien X's Alien Force/Ultimate Alien appearance, but the white outline is red.

Bellicus is replaced by Compositus, the Voice of Calmness and Placidity. He has Bellicus's Alien Force/Ultimate Alien appearance, but he is red and has a meek smile.

Serena is replaced by Invidia, the Voice of Hate and Apathy. She has Serena's Alien Force/Ultimate Alien appearance, but she is red and has a maniacal grin.

Powers and Abilities
Same as his canon counterpart. Alien X isn't scared by Toepick's face and can survive on Anur Vladias.

Weaknesses
Same as his canon counterpart, with the exceptions listed above.

Ben 10: Omnitrix Unlimited
Unknown