Monsters, Inc./Characters

James P. "Sulley" Sullivan
"Voiced by John Goodman"


 * Berserk Button: Don't threaten Boo.
 * Beware the Nice Ones
 * Big Damn Hero
 * Bruiser With a Soft Center: Sulley has super strength and a mighty roar, but is really a sweet guy under it all.
 * Expy: He looks a lot like Beast.
 * And with more than a passing resemblance to that OTHER Beast.
 * Gentle Giant
 * Heel Realization: One of the most powerful scenes in the movie is Sulley, when inadvertedly scaring Boo, realizing just what he's been doing to children all this time.
 * The Hero
 * Heterosexual Life Partners/The Odd Couple/Vitriolic Best Buds: With Mike.
 * Mistaken for Gay
 * My God What Have I Done: One of these prompts his Heel Realization (see above).
 * Nice Guy
 * Papa Wolf: Steadily becomes this to Boo, big time.
 * Punch Clock Villain
 * Super Strength

Mike Wazowski
"Voiced by Billy Crystal"


 * Butt Monkey/The Chew Toy: Something in which Boo finds hysterical.
 * The Charmer
 * Cyclops
 * Deadpan Snarker
 * Drill Sergeant Nasty: Sully and his morning work-out routine.
 * Heterosexual Life Partners/The Odd Couple/ Vitriolic Best Buds: With Sully.
 * Ink Suit Actor: Even as an adorably inhuman monster, Mike could not be more Billy Crystal.
 * Jerk With a Heart of Gold
 * The Lancer: How Mike views Sulley, even though he himself is The Lancer.
 * Mistaken for Gay
 * Oculothorax
 * Official Couple/Sickeningly Sweethearts: With Celia.
 * Plucky Comic Relief
 * Sidekick: Interestingly enough, Mike sees Sulley as his Sidekick.

Randall Boggs
"Voiced by Steve Buscemi"


 * Creepy Centipede: Looks part centipede, part chameleon.
 * Hollywood Chameleon
 * Invisibility
 * Master of Illusion
 * Mean Character Nice Actor: Implied by the Hilarious Outtakes, where he comments that he looks good in a suit after a coworker pulls a prank on him during filming.
 * Psycho for Hire
 * The Rival
 * Unknown Rival: Mike thinks of him as a competitor, while Sully just thinks of him as a colleague.
 * Smug Snake
 * Unknown Rival: Mike thinks of him as a competitor, while Sully just thinks of him as a colleague.
 * Smug Snake

Waternoose
"Voiced by James Coburn"


 * Intergenerational Friendship: Between him and Sulley.
 * The Mentor: Implied to be such for Sulley.
 * Reasonable Authority Figure
 * Intergenerational Friendship: Between him and Sulley.
 * The Mentor: Implied to be such for Sulley.
 * Reasonable Authority Figure
 * The Mentor: Implied to be such for Sulley.
 * Reasonable Authority Figure
 * Reasonable Authority Figure
 * Reasonable Authority Figure

Boo
"Voiced by Mary Gibbs"


 * Berserker Tears: She actually cries just as much a kid her age would, but in the monster world, any loud noise from her can cause a blackout.
 * Cheerful Child
 * Cute Monster Girl: From Sulley's perspective.
 * The Danza: Boo's real name is Mary Gibbs, after her voice actor.
 * Genki Girl: Then again, she is only about three years old.
 * Girlish Pigtails
 * Killer Rabbit: How the monsters see her.
 * Little Miss Badass
 * Not Afraid of You Anymore:
 * Plucky Comic Relief: To a lesser extent than Mike.
 * The Unintelligible: Speaks mostly in childish gibberish, save for words like "Kitty".

Celia
"Voiced by Jennifer Tilly"


 * Barefoot Cartoon Animal: In a variation, she has tentacles rather than feet.
 * Cute Monster Girl
 * Cyclops: although her "girls" have eyes of their own.
 * Gorgeous Gorgon
 * Meaningful Name: She's a cecaelia, after all.
 * Official Couple/Sickeningly Sweethearts: With Mike.
 * Tsundere: Type 2.

Roz
"Voiced by Bob Peterson"


 * Cross Dressing Voices
 * Deadpan Snarker:"Your stunned silence is very reassuring."
 * Deadpan Snarker:"Your stunned silence is very reassuring."

George Sanderson

 * The Chew Toy
 * Cone of Shame

Abominable Snowman
"Voiced by John Ratzenberger"


 * Large Ham
 * One Scene Wonder

Fungus

 * Butt Monkey: From Randall - every appearance of his involves him getting threatened, beat on, or otherwise dumped upon by Randall in some way.
 * The Igor

The CDA

 * The Faceless: very much so