Yoo Sang Mu is a South Korean comedian, actor and musical actor debuted in 2004 under Koen Stars. He is also an Adjunct Professor at School of Performing Arts, Hoseo College of Arts, Seoul.
In 2016 he was embroiled in a controversy and willingly stood down from all of his shows. He was later acquitted of the accusations.
He has been diagnosed with third stage colorectal cancer and underwent surgery April 10, 2017.
He and music producer Kim Yeon Ji began dating after working on a digital single album together in 2014. They married on October 28, 2018