Hippopotamass

Hippopotamass is the Omnitrix's DNA sample of an unknown species from an unknown planet.
==Appearance==
Hippopotamass is a humanoid blue hippo who wears a black shirt and white shorts. He has a white collar and four fingers on his hands. His eyes and forehead glows yellow when he uses his powers. 
Hippopotamass wears the Omnitrix symbol on his collar.
Hippopotomass v2 no background.png|Alternate design
==Powers and Abilities==
Hippopotamass is able to alter density using yellow energy that he projects from his hands. He is able to make objects or even himself light enough to float.
==History==
===Ben 10===
*Hippopotamass was unlocked off-screen after Ben 10: Destroy All Aliens.
===Five Years Prior to Omniverse===
*Hippopotamass was among the aliens that Ben moved on from due to being underpowered.
==Etymology==
Hippopotamass is a combination of "hippopotamus", the animal he's based on, and "mass", referencing his density powers. 
==Trivia==
*Matt Wayne first came up with Hippopotamass during the run of Omniverse in 2013.
*Hippopotamass was drawn by Thomas Perkins in 2020 on his Twitter. However, he mistakenly spelled the transformation's name as "Hippopotomass" and "Hippopotomas".
*Out of all the post-run aliens drawn by Perkins, Hippopotamass was Derrick J. Wyatt's favorite.
==Notes==
==References==
===Matt Wayne===
===Thomas Perkins===
===Derrick J. Wyatt===
es:Hippopotomass
pt-br:Hippopotamass
Category:Transformations
Category:Aliens
Category:Ben 10,000's Transformations
Category:Non-Canon Aliens
Category:Non-Canon Transformations