Shrek accidently opened a portal to different universes, sucking them in, Hat Kid, Fiona, Monica, Yuri, Sayori, Natsuki, Donkey, Snatcher, Bow Kid, Puss In Boots, Lord Farquad, Mustache Girl, the Dwellers, DJ Grooves, The Conductor, Moon Penguins, Owls, The Mafia, The Empress and the Mafia boss