Try to imagine Toy Story without Tim Allen’s Buzz Lightyear. Now try Monsters, Inc. without Billy Crystal as Mike Wazowski.
Neither version feels possible. Yet neither casting was the original plan.
In the early 1990s, Pixar wanted Crystal for Buzz, and he said no. That single no handed Buzz to Tim Allen, left Crystal with a regret he still talks about, and six years later gave a little green one-eyed monster exactly the voice he needed.
Here is the full story, pieced together from Crystal’s own interviews, of how one turned-down role quietly created Mike Wazowski as we know him.
The Short Version
- Early 1990s: John Lasseter wants Billy Crystal to voice Buzz Lightyear. Crystal passes on his agent’s advice.
- 1995: Toy Story opens, Tim Allen’s Buzz becomes a phenomenon, and Crystal starts calling the pass his biggest career mistake.
- A few years later: Lasseter calls again. This time Crystal says yes before he even hears the pitch.
- 2001: Monsters, Inc. opens, and Mike Wazowski becomes the role Crystal calls his favorite.
John Lasseter Wanted Billy Crystal as Buzz Lightyear

Pixar spent the early 1990s building the first fully computer-animated feature film and recruiting movie stars to voice it. Tom Hanks signed on as Woody. For Buzz Lightyear, director John Lasseter had a specific sound in mind.
He wanted Billy Crystal. The actor was coming off When Harry Met Sally and City Slickers, and he had just hosted the Oscars four years in a row. In a 2021 interview with Yahoo Entertainment, Crystal confirmed that Lasseter believed he was the right voice for the space ranger.
So the offer went out. The answer came back: no.
Why He Said No
Crystal has been consistent about the reasons. In 2024, he told Graham Norton that the decision “wasn’t about the character, it was a business thing,” and that his agent advised him to pass.
The caution made a certain sense at the time. No fully computer-animated movie had ever reached theaters, Pixar was still an unknown studio, and a voice role in an untested format looked like a gamble on paper.
There was also a quieter reason. Crystal has admitted he simply did not hear himself in Buzz, and he has since praised Tim Allen’s big, resonant, full-of-himself delivery as the sound the character actually needed.
Allen took the part, and Pixar moved on.
The Screen Test He Never Saw in Time
Here is the detail that makes the story sting. While courting Crystal, Pixar’s animators built him a personalized screen test.
They took his audio from When Harry Met Sally, the scene where Harry rants about a divorced couple splitting up their furniture, and animated Buzz Lightyear performing it. The clip even cut wide to reveal a tiny Buzz standing under a giant wagon-wheel coffee table, then snapped his helmet visor shut for the final gag.
By Crystal’s own account, though, he never watched that test before turning the part down. He told Norton the footage was astonishing when he finally saw it, and that seeing it earlier would have changed his answer on the spot.
Then Toy Story Came Out
“I’m the schmuck who turned down Toy Story.”
Billy Crystal, to Yahoo Entertainment in 2021
Toy Story opened in November 1995 and changed the industry almost overnight. Reviews were rapturous, audiences kept coming back, and Tim Allen’s Buzz became one of the most recognizable voices in animation.
Crystal watched all of it from the outside. He has spent the decades since retelling the story on talk shows and in interviews, usually at his own expense, and he has repeatedly called it the biggest miss of his career.
But the same interviews always include a second beat. He wanted back in.
How Did Billy Crystal Become Mike Wazowski?

A few years after Toy Story, the phone rang. Crystal has described sitting in his office when John Lasseter’s call came through, and agreeing before the director could even explain the project.
In the fuller version he told Graham Norton, Lasseter then set up a meeting and arrived carrying a figurine of a round green monster with one enormous eye. The film was Monsters, Inc., and the character was Mike Wazowski. Crystal said yes on the spot, and according to a CinemaBlend recap of that interview, the old Buzz Lightyear test finally got its screening the same day.
Monsters, Inc. reached theaters on November 2, 2001, directed by Pete Docter.
Six years after passing on one Pixar lead, Crystal had another one.
Two Monsters, One Recording Booth

Animation dialogue is almost always recorded solo. Each actor performs alone in a booth, and editors stitch the conversations together months later.
Crystal tried it that way first and hated it. In a press interview from 2001, he recalled, “I did the first two sessions alone and I didn’t like it,” describing the setup as lonely and frustrating.
So he pushed director Pete Docter to bring John Goodman into the room. His argument was simple: record Mike and Sulley together, and the back-and-forth becomes real instead of something an editor has to assemble. Pixar agreed, and the two actors recorded side by side, which remains rare in animation.
Those shared sessions changed the movie in ways you can hear.
- Real reactions: Goodman’s Sulley responds to Crystal’s Mike in the moment, with the timing of two comics actually listening to each other.
- Room to improvise: Crystal has said he would pitch ideas mid-scene and try them live, and that things happened in that room no solo session could produce.
- A genuine double act: the pair even perform the end-credits duet “If I Didn’t Have You,” which won Randy Newman the Academy Award for Best Original Song.
Buzz Needed Tim Allen. Mike Needed Billy Crystal.
Crystal has made this argument himself. Buzz works because Allen plays him with a huge, sincere, slightly self-important voice that never doubts its own heroism. The comedy comes from delusion delivered completely straight.
Mike Wazowski runs on the opposite engine. He talks fast, schemes constantly, panics loudly, and stays strangely optimistic through all of it. That is Crystal’s natural rhythm, sharpened by decades of stand-up and live hosting.
Line the two roles up and the fit becomes obvious.
| Buzz Lightyear | Mike Wazowski | |
|---|---|---|
| The film | Toy Story (1995) | Monsters, Inc. (2001) |
| What the role needed | A big, sincere hero voice that never doubts itself | Rapid-fire patter, nervous energy, and heart |
| Crystal’s answer | No, on his agent’s advice | Yes, before hearing the pitch |
| Who voiced it | Tim Allen | Billy Crystal |
| How it aged | Five films and counting, through this year’s Toy Story 5 | Two films, an Oscar-nominated short, and a Disney+ series |
Neither casting was a consolation prize. Each role found the only voice it really worked with, just not in the order anyone planned.
What Mike Wazowski Became

Monsters, Inc. turned a $115 million budget into $579.7 million worldwide and earned a nomination in the very first year of the Best Animated Feature Oscar. The little green monster quickly outgrew one movie.
Mike came back in Mike’s New Car, a 2002 short that was the first Pixar short with dialogue and the first built around characters from an earlier film. Then the 2013 prequel Monsters University effectively handed him the lead, telling the story of his college dream of becoming a scarer.
The Disney+ series Monsters at Work brought Crystal and Goodman back again in 2021. Along the way, that single-eye design became famous in its own right; Mike naturally shows up in my ranking of the most iconic one-eyed cartoon characters, and so does his girlfriend Celia Mae, whose full story I have covered separately.
Crystal, for his part, has said Mike might be his favorite character he has ever played, because the role leaves him completely free.
Does Billy Crystal Still Regret Turning Down Buzz Lightyear?
Yes.
He has said so in interviews for more than two decades, and the story resurfaces every time the Toy Story franchise does. Meanwhile, the road not taken keeps extending: Tim Allen returned as Buzz once again for Toy Story 5, which landed in theaters in June 2026.
But Crystal’s telling of the story has never been bitter. He praises Allen’s Buzz, laughs at his younger self’s caution, and treats the whole thing as the setup for the best punchline of his career: the role he got instead.

The No That Made the Yes Possible
It is tempting to file this away as a cautionary tale about listening to your agent. The better reading is about fit.
Had Crystal taken Buzz in 1995, Tim Allen’s version would not exist, and neither would the fast-talking, improvised, oddly heartfelt Mike we actually got. One no created the vacancy that the right yes eventually filled, for both actors.
Could you honestly picture the swap, with Crystal inside the space suit and someone else behind the big green eye? Tell me in the comments which version you would have wanted to watch.
Read next: my guide to the 2000s cartoons that raised us, or my roundup of iconic animated cartoon characters.
Mike Wazowski Info
Who voices Mike Wazowski?
Billy Crystal has voiced Mike Wazowski in every appearance since 2001, including Monsters, Inc., Monsters University, and the Disney+ series Monsters at Work.
Why did Billy Crystal turn down Buzz Lightyear?
He passed on his agent’s advice and has called it a business decision rather than a creative one. He has also admitted he did not hear himself in the character at the time.
Was there really a Buzz Lightyear test in Billy Crystal’s voice?
Yes. Pixar animated Buzz to Crystal’s When Harry Met Sally audio while trying to convince him. By his account, he only saw the footage years later, after the role had gone to Tim Allen.
Did Billy Crystal and John Goodman record together?
Yes. After two solo sessions, Crystal pushed for joint recording sessions with Goodman, which was and still is unusual in animation.
What was Billy Crystal’s first Pixar movie?
Monsters, Inc. in 2001, released six years after he passed on Toy Story.
Is Mike Wazowski in Monsters University and Monsters at Work?
Yes. The 2013 prequel made Mike Wazowski the central character, and the 2021 Disney+ series brought both Crystal and Goodman back.
Who sings “If I Didn’t Have You” in Monsters, Inc.?
John Goodman and Billy Crystal perform it in character over the end credits. The Randy Newman song won the Academy Award for Best Original Song.

