Bonnie (17) by Hillygon on DeviantArt

Boo, Disney Wiki

Bonnie Anderson, The Parody Wiki

Boo from Monsters, Inc makes a cameo in Toy Story 4 - Look to the right of Bonnie in the background! : r/Pixar

All (60+) of the Toy Story 4 Easter Eggs You May Have Missed - JaMonkey

Pixar Theory: Who is Andy's Monster?

8 Bonnie ideas bonnie, toy story, toy story 3

Interview with Mary Gibbs - Boo from Monsters Inc - The Mouselets

Disney Kids I'd like Antonio to be friends with : r/Encanto

All The Toy Story 4 Easter Eggs You May Have Missed

Pixar - Pixar added a new photo.