Humongousaur is the most powerful ben 10 alien force alien on physic strength. Even though his advantage on strength and physic he still have weakness. Because his big body his movement is slow. Humongousaur is Vaxasaurian from planet Terradino. Name Humongousaur has origin name Humongous and saur. Humongous mean gigantic and Saur mean dinosaur, so Humongousaur mean gigantic dinosaur, nice name for this Ben 10 Alien Force Alien. Humongousaur first appearance on Ben 10 Alien Force Part 2.