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