Five Nights at Freddy's in Real Life

In the episode "Five Nights at Freddy's" Michael and Gavin face down monsterized versions of Rooster Teeth characters: Mr. Diddles (a towel-clad, paper-bag headed wrestler created by Ray Narvaez Jr. in the WWE '14 "Let's Play"), an Ursa Grimm (from RWBY (2012)), Pongo (from the RT Short "Pongo!) and a rooster (from the logo).