Mitchell Coby Michael Grassi is an American singer from Arlington, Texas. Known for his high tenor voice, Grassi came to international attention as a founding performer in two groups—the a cappella quintet Pentatonix, and the duo Superfruit with Pentatonix bandmate Scott Hoying.

KNOWN FOR

Bones
2016
Good Mythical Morning
2018
The Masked Singer
2023
Lip Sync Battle
2018
K.C. Undercover
2015
American Music Awards
2015
Drop the Mic
2017
The Muppets
2015
Pitch Perfect 2
2015
Candy Cane Lane
2023
The Not-Too-Late Show with Elmo
2020
The Simpsons: O C'mon All Ye Faithful
2024

FILMOGRAPHY

All
Movies
TV
Acting
32
Producing
2
2024
Meet Me Next Christmas
as Mitch
2024
The Simpsons: O C'mon All Ye Faithful
as Mitch Grassi (voice)
2023
Candy Cane Lane
as Caroler
2023
iHeartRadio Jingle Ball 2023
as Self
2023
The Masked Singer
as [Pentatonix] California Roll
2023
The Masked Singer
as Self - California Roll
2022
Pentatonix: Around the World for the Holidays
as Self
2020
Christmas with Delta 2020
as Self
2020
The Wonderful World of Disney: Magical Holiday Celebration
as Self - Pentatonix
2020
The Not-Too-Late Show with Elmo
as Self
2019
Motown 60: A Grammy Celebration
as Self
2019
Disney Channel Holiday Party @ Walt Disney World
as Self - Performer
2019
The Wonderful World of Disney: Magical Holiday Celebration
as Self - Pentatonix
2019
Disney Parks Magical Christmas Day Parade
as Self - Pentatonix
2019
Sesame Street: 50 Years and Counting
as Self (archive footage, as Pentatonix)
2018
Pentatonix: A Not So Silent Night
as Self
2018
A Very Wicked Halloween: Celebrating 15 Years on Broadway
as Self - Performer
2018
Good Mythical Morning
as Self
2018
Lip Sync Battle
as Self
2017
Stayin' Alive: A Grammy Salute to the Music of the Bee Gees
as Self
2017
A Very Pentatonix Christmas
as Self
2017
Sound It Out: The Untitled LGBTQIA Music Documentary
as Self
2017
Drop the Mic
as Self [Pentatonix]
2016
A Pentatonix Christmas Special
as Self
2016
Straight Outta OZ
2016
Bones
as Julian Klein
2015
Pitch Perfect 2
as Pentatonix
2015
Pentatonix: On My Way Home
as Himself
2015
American Music Awards
as Self - Musical Guest as Pentatonix
2015
K.C. Undercover
as Mitch Grassi
2015
The Muppets
as Pentatonix
2011
The Sing-Off
as Self - Pentatonix