Happy 31st birthday to the actor and t.v. personality Yoon Shi-yoon (born: Yoon Dong-gu). * He is best known for his leading roles in "King of Baking, Kim Takgu" (2010) and "Flower Boys Next Door" (2013). In 2016, he became a member of the variety show "2 Days & 1 Night." In 2017, he is lead character of the drama "The Big Hit", which also stars and is co-directed by Cha Tae Hyun.