Goo (Tasty Planet)

The goo is a piece of nanotechnology that can eat anything that is smaller than itself. He begins in different sizes depending on the game. In tasty planet he begins so small that it needs to eat microorganisms while in back for seconds he begins with eating candy. In back for seconds it ate a time machine sending him to the late cretaceous.

death
In the original game the goo ate the entire universe and after that it implode and caused a new big bang.

In back for seconds it ate the universe but then went on to eat the Turtles of time