A fan-favorite character may be the most tragic monster in the Monster Inc. franchise, thanks to a popular dark theory about his unfortunate past.

Lovable Sulley (John Goodman) and his wisecracking sidekick Mike Wazowski (Billy Crystal) are the top scare team at MONSTERS, INC., the scream-processing factory in Monstropolis. When a little ...

Following is a transcript of the video: Narrator: See these hairs on Sully's arm from "Monsters ... on animal characters, like Remy the rat and Dug the dog. Every single Pixar movie brought ...