Peter and the gang were roaming the thunder science building looking for an exit... Or any booze or snacks to be honest

Quagmire: Woah there buddy! Hehehe. Who are you?

Peter: I don't know who this dude is but he is giving me the creeps!

Cleveland: Well, they don't look bad but I think we should stay back... They might be like the beasts we saw earlier

They all nod their heads

Peter: Points at you Hey! You right there! Who are you? More importantly, what are you?