We all remember the heartbreaking moment Boo excitedly runs to open her wardrobe in Monsters, Inc. in the hope of seeing Sulley - only to be faced with an empty cupboard. Thankfully, Mike Wazowski ...

Fans also noticed that Abby's clothing gives a subtle nod to Pixar's "Monsters Inc.", since the flowers on her purple dungarees resemble the design on Boo's door. So my #TurningRed head canon is ...

Boo is the precocious toddler who inadvertently hitches a ride back to Monstropolis with Sulley one evening in Monsters, Inc. Before he can successfully return her, however, things go awry and ...

A shocking theory about beloved Pixar movie Monsters, Inc is bound to leave jaws dropping as a dark turn on character Boo could potentially ruin childhoods. The heartbreaking scenes of the young ...

Let’s get the big, blue, furry monster in the room out of the way first: Boo from Monster’s Inc. is a cartoon. So there is no “grown up” version of Boo -- at least not until Monster’s ...

Remember Boo, the adorable little girl from Monsters, Inc.? A few of her most famous lines included "Kitty!" and "Mike Waszowski!" The pig-tailed cutie was kind of the emotional core of the movie ...

We all know her as 'Boo', but did you know the Monsters Inc character is actually called Mary Gibbs? Monsters Inc is hands down one of the best films to come out of the Disney Pixar world.

the production crew really did chase the toddler around the studio (like Sully and Boo did in the film) to record the appropriately adorable audio. Mary from Monsters Inc. looking at a sheet of ...

Mary Gibbs voiced Boo from 'Monsters Inc' as a toddler. Mary Gibbs voiced Boo from 'Monsters Inc' as a toddler. Courtesy of Mary Gibbs "I always always have a friend around me that always wants to ...

A new Monsters Inc fan theory could change everything you thought you knew about the Pixar film's ending... A new theory about what happened to Boo in Monsters Inc is doing the rounds, and it ...