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Biography
Niki Hyun Yang (born in Seoul, South Korea as Hyun Jeong Yang; Korean: 양현정; RR: Yang Hyeonjeong, June 8, 1985) is a South Korean animator, writer, storyboard artist, and voice actress. After graduating from Hongik University and then CalArts, she became one of the storyboard artists of Family Guy before moving to Frederator Studios. She is best known for voicing BMO and Lady Rainicorn on the Cartoon Network series Adventure Time.
Filmography13 titles

Adventure Time: Fionna and Cake
2023as BMO (voice)
2023as BMO (voice)

Gravity Falls
2012as Candy Chiu (voice)
2012as Candy Chiu (voice)

Adventure Time
2010as BMO / Lady Rainicorn (voice)
2010as BMO / Lady Rainicorn (voice)

Animaniacs
2020as Defensive Fan #2
2020as Defensive Fan #2

Adventure Time: Distant Lands
2020as BMO / Football / Additional Voices (voice)
2020as BMO / Football / Additional Voices (voice)

Craig of the Creek
2018Story, Storyboard Artist, Writer
2018Story, Storyboard Artist, Writer

Clarence
2014Director, Storyboard Artist
2014Director, Storyboard Artist

Summer Camp Island
2018as Heather D / Rosie (voice)
2018as Heather D / Rosie (voice)

We Bare Bears
2015as Chloe's Mom (voice)
2015as Chloe's Mom (voice)

We Baby Bears
2022as Sylvia (voice)
2022as Sylvia (voice)

Fish Hooks
2010Storyboard Artist, Writer
2010Storyboard Artist, Writer

Fanboy & Chum Chum
2009Storyboard Artist
2009Storyboard Artist

TripTank
2014as Michiko (voice)
2014as Michiko (voice)