Cyrus is the character played by Jonah Hill who has a creepy oedipal relationship with his mother Molly (Marisa Tomei) as evidenced by the framed photos in their living room of him breast feeding years past the toddler stage. When mom takes up with John (John C. Reilly) Cyrus makes it his mission to sabotage the romance and vanquish his rival. The terminally dateless John on the other hand co ...