Mr. Poopybutthole is a MORTY! (Rick and Morty Season 4)

One of the many big, unanswered mysteries of Rick and Morty is about the fan favorite character of Mr. Poopybutthole. Who is he REALLY? We are introduced to him in Total Rickall, where we are led to believe he is also a parasite until the big final reveal. So, he's real... right? End of story. Well Theorists, the answer is much more complicated than that.