Utroms
The Utroms (a.k.a. TCRI Aliens) are an alien species in various Teenage Mutant Ninja Turtles universes. Their species name is pronounced /ˈuːtrɒm/ (OO-trom). In most continuities, they are the ones who are responsible for creating the Mutagen that mutates several individuals, most notably the Ninja Turtles and Splinter. They are also usually the species of Krang/Kraang.read more