Codon Stream Monster

The Codon Stream Monster is a mysterious unnamed creature which apparently lives within the waters on Primus.

Biology
Although the monster's basic appearance is left mostly anonymous. Expect for that it has at least one green-colored, reptilian eye, purple skin and it also possess white tentacle-based limbs. Therefore, which could imply the monster might very well be some kind of cephalopod.

History
The monster dwells from within the Codon Stream. It was briefly shown while spying on Ben, Kevin and Gwen. Later, it grabbed Ben and thus pulled him underwater. Kevin tried to save him only for Gwen to use her power to rescue them both.

Appearances

 * Ben 10: Alien Force, episode 40 "Primus" (2010)