|Powers and Abilities|
|First Appearance||Dillon Million: Omniforce|
Tetramendousaur has the body of Tremendousaur with the features of TetraMight. His skin is two-toned like Tremendousaur's, but the darker tan is replaced by TetraMight's red. He has four Tremendousaur arms with TetraMight's gloves on the hands. On his arms and head are TetraMight's spikes. He has Tremendousaur's white belt with a blue stripe, along with TetraMight's pants that go above the belt. He also has Dill 10M's His feet are TetraMight's with Tremendousaur's toe nails. His head is shaped like TetraMight's with his facial features and Tremendousaur's nose.
The Biatomnitrix symbol is located on his sash.