J.K. Simmons
Voice ActorJ.K. Simmons is a veteran American actor whose decades of character work earned him the Academy Award for Best Supporting Actor. In the animated series Invincible, produced by Skybound Entertainment, he voices Nolan Grayson, the superhero known as Omni-Man.
Invincible Role
Simmons voices Nolan Grayson, better known to the public as Omni-Man, the seemingly heroic patriarch of the Grayson family whose true allegiance drives the series' central twist. His gravelly authority anchors both the character's warm father-figure moments and the brutal violence that follows once Omni-Man's real mission is revealed. He has continued the role since the show's 2021 premiere and carried it into the Mortal Kombat 1 video game as a guest character in 2023.
Career and Notable Roles
Simmons won his Oscar for playing the terrifying music instructor Terence Fletcher in Whiplash and later earned a second nomination for Being the Ricardos. He is also widely recognized as newspaper editor J. Jonah Jameson across Sam Raimi's Spider-Man trilogy and later Marvel films, and built a long television résumé that includes Oz, Law & Order, and The Closer. His voice work spans video games like Portal 2 and animated favorites such as Zootopia and Gravity Falls, alongside a long-running stint as the Yellow M&M in commercials.
Frequently Asked Questions
Who does J.K. Simmons voice in Invincible?
J.K. Simmons voices Nolan Grayson, better known as Omni-Man, the seemingly heroic patriarch of the Grayson family in Invincible. His performance drives the series' central twist and he has continued the role since the show's 2021 premiere.
What did J.K. Simmons win an Oscar for?
J.K. Simmons won the Academy Award for Best Supporting Actor for playing the terrifying music instructor Terence Fletcher in Whiplash. He later earned a second Oscar nomination for Being the Ricardos.
What Marvel role is J.K. Simmons known for?
J.K. Simmons is widely recognized as newspaper editor J. Jonah Jameson across Sam Raimi's Spider-Man trilogy and later Marvel films. The role became one of his most enduring outside Invincible.
What video games has J.K. Simmons voiced characters in?
J.K. Simmons has voiced characters in video games including Portal 2, and he carried his Omni-Man role from Invincible into Mortal Kombat 1 as a guest character in 2023.
What other animated shows has J.K. Simmons been in?
J.K. Simmons has voiced animated favorites including Zootopia and Gravity Falls, alongside a long running stint as the Yellow M&M in commercials.
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Sources & Information
This content is original writing by Daddy Jim Headquarters based on the Dragon Ball anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
- Movie pages: theatrical posters and key visuals, credited to Toei Animation and Shueisha.
- Game pages: official box art, credited to Bandai Namco, Atari, and other publishers.
- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Akira Toriyama.
Official resources:
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