Ultimate Upgrade by Insane-Mane on DeviantArt
Humungousaur Concept- HT by Insane-Mane on DeviantArt
Membrane by Insane-Mane on DeviantArt
Omni-Fusion by on @DeviantArt
Da FUSION by Insane-Mane on DeviantArt Ben 10, Ben 10 omniverse, Ben 10 ultimate alien
Biomnitrix Unleashed - Humungoubigosaur by rizegreymon22
Cm ov overflow by rzgmon200 on deviantart – Artofit
Omni-Enhanced Diamondhead, Ben 10 Wiki, Fandom
Ultimate Upgrade by Insane-Mane on DeviantArt
5YL) Arctiguana by Insane-Mane on DeviantArt
XLRjaws, Ben 10 Fan Fiction Wiki