Eternity

Eternity is a being who hosts the Tournament of Fighters where he picks the best warriors to compete and is actually Clayface (Lt. Stone) he picks Chad, Josh, Melvin, Matt, Stephen, Cameron, Daniel, Faze Rug, Bayz TV, Carter, Ninja, and PZ76 to compete Josh believes of him to be suspicious However, when Chad confronts him it turns out he was absorbing the Ninja Fighters' abilities Chad does defeat Eternity setting the others free and it reveals to be Clayface which he explains he was trying to to get to them and defeat him nevertheless, he sends them home.