- Mother is a native of the Philippines.
- Made professional stage debut at age 10 in a San Francisco production of Fanny.
- Played drums in his brother Chuck's rock band as a teenager; also plays violin, guitar and piano.
- Had the lead role (Harry Potter) in the send-up A Very Potter Musical, a theater production created by University of Michigan students that went viral on YouTube.
- Sang in L.A. cafés before making TV debut in the ABC series Eastwick in 2009.
- Billboard-chart accomplishments include first student musical ever to make a Top Cast Musical chart (Me and My D.) and first performance on Glee to debut at No. 1 on any chart (Katy Perry's Teenage Dream).
- Is a founding member of Team StarKid, the theater company (now based in Chicago) behind A Very Potter Musical and A Very Potter Sequel.
- Older brother Chuck is a member of the New York-based rock group the Freelance Whales.
- 2011, Screen Actors Guild Awards — Outstanding Performance by an Ensemble in a Comedy Series: Nominee
- 2015, Emmy — Outstanding Original Music and Lyrics: Nominee
- 2019, Golden Globe — Best Performance by an Actor in a Supporting Role in a Series, Limited Series or Motion Picture Made for Television: Nominee
- 2018, Emmy — Outstanding Lead Actor in a Limited Series or a Movie: Winner
- 2012, Screen Actors Guild Awards — Outstanding Performance by an Ensemble in a Comedy Series: Nominee
- Chuck Criss — Brother
- University of Michigan, Ann Arbor, Michigan, United States (BFA in Performance, 2009)
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