Has anyone noticed who this cameo was? ermm.. Boo from Monsters Inc? #ToyStory4

Bonnie (Toy Story), Scratchpad

Is Bonnie from Toy Story Boo from Monsters, Inc.? - Quora

In Toy Story 3, one of the girls at the Sunnyside Daycare is a slightly older Boo from Monsters, Inc.

10 Things You May Not Know About Boo

All The Toy Story 4 Easter Eggs You May Have Missed

YARN, - Say hi, sweetie. - Hi., Toy Story 3 (2010), Video clips by quotes, dc2d96fb

Toy Story 3, Disney Fanon Wiki

Is Boo, Bonnie? WDWMAGIC - Unofficial Walt Disney World discussion forums

Monsters, Inc. : John Goodman, Billy Crystal, James Coburn, Steve Buscemi, Mary Gibbs, Bob Peterson, Jennifer Tilly, Bonnie Hunt, Frank Oz, John Ratzenberger, Daniel R. Gerson, Jeff Pidgeon, Sam Penguin Black, Steve Susskind, David

Is Boo, Bonnie? WDWMAGIC - Unofficial Walt Disney World