Acting · Seoul, South Korea · Born June 8, 1985
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.
TVAdventure Time: Side Quests
2026
as BMO (voice)
TVAdventure Time: Fionna and Cake
2023
as Additional Voices (voice)
TVWe Baby Bears
2022
as Sylvia (voice)
TVAnimaniacs
2020
as Soo Yun the Ghost (voice)
TVAdventure Time: Distant Lands
2020
as BMO / Football / Additional Voices (voice)
MovieOne Crazy Summer: A Look Back at Gravity Falls
2018
as Self
TVSummer Camp Island
2018
as Batilda (voice)
TVWe Bare Bears
2015
as Mom / Additional Voices (voice)
TVTripTank
2014
as Michiko (voice)
MovieAdventure Time: Fun With Finn And Jake
2012
as BMO / Lady Rainicorn (voice)
TVGravity Falls
2012
as Candy Chiu (voice) / Additional Voices (voice)
TVAdventure Time
2010
as BMO / Lady Rainicorn (voice)
MovieTwo Witch Sisters
2008
as Baby Rabbit (voice)
TVRandom! Cartoons
2008
as Baby Rabbit (voice)
