Remember Boo, the adorable little girl from Monsters, Inc.? A few of her most famous lines ... and she's holding a Boo doll! SELF does not provide medical advice, diagnosis, or treatment.

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 ...

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 ...

The video then cuts to footage of cowgirl doll Jessie ... A still from "Monsters, Inc.," 2001. Fans pointed out that Boo from "Monsters, Inc." has dark brown hair, while Andy's mom has a lighter ...

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 ...

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 ...

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 ...

But the most surprising one was possibly seeing Boo from Monsters, Inc. in Bonnie’s class! A fuzzy depiction of the young girl can be seen several times behind Bonnie while she’s creating Forky.

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 ...