Trivia / Monsters, Inc.

• Acting for Two:
  • Dan Gerson as both Needleman and Smitty.
  • French actor and voice actor Henri Guybet voiced both the Abominable Snowman and Rex from Toy Story from the outtakes (he's Rex's usual French voice).
• All-Star Cast: And unlike most Pixar films, one where the two leads were given a generous amount of mention in the advertising.
• Awesome, Dear Boy: Billy Crystal accepted the role of Mike Wazowski because he felt bad for turning down the role of Buzz Lightyear in Toy Story. He has since stated on multiple occasions that playing Mike is the single greatest joy of his career.
• The Cast Showoff: John Goodman once again shows off his singing chops on "If I Didn't Have You", having previously performed "People Like Us" in True Stories.
• Cast the Runner-Up: For the Latin Spanish dub, Raúl Aldana voiced Mike Wazowski in the trailers before Andrés Bustamante was cast instead. Aldana would go voice both Smitty and one of the witnesses who saw Boo at Monstropolis.
• Celebrity Voice Actor: The Japanese dub features comedians Hidehiko Ishizuka and Yuji Tanaka as the respective voices of Sulley and Mike, while Mads Mikkelsen voices Randall in the Danish dub.
• Children Voicing Children: Mary Gibbs was a toddler like her character Boo. While not necessarily a case of Never Work with Children or Animals, the crew apparently found it easier to just follow her around with a boom mike than to try and get her to sit still in the booth.
• Corpsing: In the read-along adaptation read by Dom De Luise, the reader can hear DeLuise laughing while reading about Mike landing in the wastebasket.
• Cross-Dressing Voices: Bob Peterson as Roz.
• The Danza: As signed on one of Boo's pictures, her real name is Mary after her voice actress Mary Gibbs.
• Descended Creator: Pete Docter voiced the CDA agent giving them the all-clear to decontaminate Harryhausen's.
• Distanced from Current Events: The original punchline to the gag of Harryhausen's getting "decontaminated" had the CDA blowing it up with explosives. A mere 60 days before the film's release, 9/11 happened, and it was hastily changed to the restaurant getting put under a force-field. The original scene can be found on the Blu-Ray features.
• Duelling Movies: With Shrek, also a monster themed CGI buddy comedy. The two films contested the first-ever Oscar for best animated movie (Shrek won).
• Enforced Method Acting: Because Mary Gibbs was so young when she recorded her parts as Boo, Pete Docter would often talk to Mary Gibbs through sock puppets to get the necessary emotions from her. Other times, she'd be given money or candy to get a happy reaction and have it taken away to get anger and sadness. Sometimes her mother would come in and tickle her or even pick her up and toss her in the air to get her to laugh into the microphone.
• Kids' Meal Toy:
  • In the US, McDonald's released figures of ten of the film's characters; Mike, Sulley, Randall, Boo, George Sanderson, Mr. Waternoose, Roz, Celia, the Abominable Snowman, and a CDA agent. Mike, Sulley, Randall, Boo, and George all came with doors that could open and connect to each other.
  • In Europe, McDonald's released figures of Mike, Sulley, Randall, Boo (with a removable monster costume), Mr. Waternoose, Roz, Celia, and a CDA agent.
  • In Asia, McDonald's released figures of Mike, Sulley, Randall, Boo (in her monster costume), Mr. Waternoose, and Roz.
  • In Australia, McDonald's released the figures of Sulley and Mr. Waternoose from the European set, and Mike and Boo from the Asian set.
• Meme Acknowledgement: The meme of Boo crying was acknowledged by the scene's animator, Tasha Sounart, on Twitter. She finds it bizarre and hilarious.
• Missing Trailer Scene: There are two teaser trailers with completely original footage.
• Non-Singing Voice: In the German version of "If I Didn't Have You", Sulley's singing voice is provided by Thomas Amper, who also voiced George Sanderson.
• The Other Darrin: In most non-movie media, John Goodman and Billy Crystal don't reprise their roles as Sulley and Mike. Sulley has been voiced by multiple actors, while Carlos Alazraqui always replaces Crystal as Mike.
• Pop-Culture Urban Legends:
  • There's been a hoax going around associated with the movie. It involves a screenshot of a scene showing that Boo drew a drawing of her mother and "Uncle Roger" having sex. The picture is photoshopped. Despite this, people still claim that it was on the first edition before later being censored.
  • Many articles and sources claimed that Boo was singing the titular song from Beauty and the Beast while in the bathroom stall. While the melody is somewhat similar, Mary Gibbs confirmed in a Reddit AMA that the lyrics are mainly nonsense.^note When she was first asked to sing a song for the crew, she originally sang "Wheels on the Bus", but this was unused due to it being copyrighted.
• Preview Piggybacking: Those lines around the block of the theaters when this movie was first released? Many were obsessive Star Wars fans trying to see the teaser for Attack of the Clones, many of whom left after seeing it.
• Real-Life Relative:
  • Boo's actress, Mary Gibbs, is the daughter of storyboard artist Rob Gibbs.
  • Ditto with Boo's Latin American VA Alicia Vélez, whose father Humberto Vélez voiced Roz.
• Those Two Actors:
  • This was the first film to have John Goodman and Steve Buscemi to not be made by The Coen Brothers.
  • From the obscure cartoon Pigs Next Door, John Goodman (Sulley) was main character Phil, while John Ratzenberger (the Yeti) and Jennifer Tilly (Celia) were his neighbors the Stumps.
• Throw It In!: All of Boo's lines. Obviously, then-toddler Mary Gibbs was not going to sit still in a recording booth and read any lines like a professional actress, so the team just followed her around the studio with a boom mic and recorded her playing. You can actually tell that she must have been in the Winnie the Pooh department, because one of her lines sounds like "I'm Tigger!".
• Voices in One Room:
  • John Goodman and Billy Crystal recorded their lines together, which also resulted in a lot of improvising.
  • Frank Oz and Steve Buscemi also recorded their lines together for the bathroom scene where they discuss Randall's plot.
• What Could Have Been: Has its own page
• Working Title: "Hidden City" was its code name, and "Monsters" was the name for an early script treatment.

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