Lo Mutuc (; formerly Charlyne Amanda Yi; born January 4, 1986) is an American actor, comedian, musician, and writer, known for their role as Dr. Chi Park in the Fox medical drama House (2011–2012), and for providing the voices of the Rubies in the Cartoon Network animated series Steven Universe (2015–2018) and its epilogue series Steven Universe Future (2019–2020), Chloe Park in We Bare Bears (2015–2019), Alice in Summer Camp Island (2018–2023), Mai in Next Gen (2018), and Larry in StuGo (2025).
Mutuc's screenwriting debut, the feature film Paper Heart, won the Waldo Salt Screenwriting Award at the 2009 Sundance Film Festival. As a comedian, their performances include music, magic, games, and often audience participation.
Early life Mutuc was raised in Fontana, California. They are of Filipino, Mexican, and Korean descent. They attended the University of California, Riverside before leaving to pursue a full-time career in comedy. They had an early interest in performing while attending Bloomington High School and were involved in theatre.
Career
Mutuc began their career by performing in Bloomington, California. After high school, they performed shows in Los Angeles at The Steve Allen Theater, and The Upright Citizens Brigade Theatre. In 2005 and 2006 they performed in the New York Comedy Festival, and in 2007 HBO's U.S. Comedy Arts Festival in Aspen, Colorado.
Mutuc’s film debut was in Judd Apatow's 2007 film Knocked Up. In 2008, Mutuc performed as part of the Apatow for Destruction Live comedy show at Montreal's Just for Laughs Festival.
In the 2009 film Paper Heart, a "hybrid documentary" in which Mutuc served as both executive producer and co-writer, they starred as a fictional version of themself, alongside Michael Cera.
Mutuc was chosen as one of Venus Zines "25 under 25" women for 2009.
They appeared alongside Saturday Night Live cast member Fred Armisen in the 2009 music video for the song "Rabbit Habits" by Philadelphia experimental band Man Man.
Mutuc and Paul Rust formed the band The Glass Beef. The duo shares one electric guitar, and both sing lead vocals. In 2006, they released their debut album, The Farewell Album, produced by John Spiker, bassist of Tenacious D.
Mutuc was featured in the video "Song Away" by Hockey. In 2013, Mutuc and Jet Elfman formed the band Sacred Destinies.
From October 2011 to May 2012, Mutuc starred in the Fox television series House as Dr. Chi Park, a young doctor with anger management issues., FOX website for the House MD series
Non-profit work Mutuc has been involved with Oxfam America since 2010, working to raise awareness about poverty and hunger worldwide. Mutuc started the non-profit Caring is Cool in 2011, and hosted a benefit show to raise money for the organization.
Personal life Mutuc describes their gender identity as genderfluid. They use they/them pronouns.
In 2016, Mutuc married Jet Elfman, their Sacred Destinies bandmate. After a year of separation, Elfman filed for divorce in April 2018.
In 2018, through Twitter, Mutuc accused Marilyn Manson of sexual harassment on the set of House. That year, Amber Tamblyn said of her husband David Cross: "Basically he was rightfully accused of doing something racist to the comedian [Lo Mutuc]", following tweets that Mutuc had posted on the subject in 2017. Cross asked Mutuc to reach out via direct message to discuss the situation. He later publicly apologized to Mutuc, claiming that he would "never intentionally hurt someone like that".
In 2021, Mutuc spoke out about their experience with James Franco, specifically discussing their efforts to quit his 2017 film, The Disaster Artist, after learning of the sexual misconduct allegations against him. Mutuc also criticized Seth Rogen for enabling Franco's behavior and continuing to work with him following the allegations.
Around 2023, Mutuc began using the name Lo Mutuc; they later publicly announced their name change in 2024.
In 2024, Mutuc said that while filming Time Bandits for Apple TV+, they were assaulted and injured by a male actor. A source with knowledge from the Time Bandits set contradicted this version of events, telling The Hollywood Reporter that the alleged assault involved a fellow actor bumping into Mutuc and then picking them up during a scene where actors were running. Multiple individuals and witnesses were interviewed as part of an investigation into their claims but did not substantiate them.
Filmography Film +Film work by Lo Mutuc Year Title Role Notes 2007 Knocked Up Jodi 2008 Cloverfield Party Goer Semi-Pro Wheelchair Jody 2009 Paper Heart Charlyne Yi Nominated – Comedy Film Award for Best Actress All About Steve Young Protester 2010 Fast Donna Fast Two-minute video short 2012 This Is 40 Jodi 2014 The Last Time You Had Fun Betty 2016 Nerdland Becky Voice A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information. 2017 The Disaster Artist Safoya Literally, Right Before Aaron Claire The Lego Ninjago Movie Terri IT Nerd Voice 2018 Puppet Master: The Littlest Reich Nerissa Next Gen Mai Su VoiceNominated – Annie Award for Voice Acting in a Feature Production Second Act Ariana 2019 Always Be My Maybe Ginger Goldie Goldie Voice, short Steven Universe: The Movie Ruby Voice, television film VHYes Lou Jexi Elaine 2020 Trolls World Tour Pennywhistle Voice We Bare Bears: The Movie Chloe Park 2021 Happily Gretel The Mitchells vs. the Machines Abbey Posey Voice 2022 My Father's Dragon Magda
Television +Television work by Lo Mutuc Year Title Role Notes 2006 Help Me Help You Charlyne Episode: "The Sheriff" 2007 30 Rock Grace Park Episode: "The C Word" Cold Case Dorky Girl Episode: "Stand Up and Holler" Powerloafing Executive Assistant 2008 Miss Guided Karey Episode: "Pool Party" 2011 Love Bites Sex Shop Manager Episodes: "Unaired Pilot" & "Firsts" 2011–2012 House Dr. Chi Park 21 episodes 2015 Looking Cashier Episode: "Looking for a Plot" 2015–2018 Steven Universe Ruby, various Rubies, Cluster Voice, recurring role (12 episodes) 2015–2019 We Bare Bears Chloe Park Voice, recurring role (18 episodes) 2016 Love Cori 3 episodes Jane the Virgin Angela Episode: "Chapter Thirty-Nine" Future-Worm! Zoe Voice, episode: "Bug vs. the Babysitter" 2017 Twin Peaks Ruby Episode: "Part 15" Danger & Eggs Layla Voice, episode: "Keep Off the Grass/Pennies" Room 104 Gracie Episode: "FOMO" 2018 Lucifer Ray-Ray / Azrael 2 episodes DIY Eli Voice, TV short 2018–2023 Summer Camp Island Alice Fefferman Voice, main role (22 episodes) 2019–2020 Steven Universe Future Ruby, Eyeball Ruby, Ruby Bodyguards Voice, recurring role (5 episodes) 2020 Good Girls Lucy 2 episodes 2021 Tig n' Seek Georgia Voice, episode: "Must Love Bugs" 2022 Amphibia The Guardian Voice, episode: "The Hardest Thing" We Baby Bears Alice Fefferman Voice, episode: "Witches" Guillermo del Toro's Cabinet of Curiosities Charlotte Xie Episode: "The Viewing" 2024 Time Bandits Judy Mutuc withdrew halfway through filming 2025 StuGo Larry Voice, main role
Books +Books by Lo Mutuc Year Title Type 2015 Oh the Moon Text/Image hybrid 2019 You Can't Kill Me Twice (So Please Treat Me Right) Poetry
References
External links
June 2009 interview with L.A. Record ()