Haha

Ha Dong-hoon, better known by his stage name Haha (하하), is a South Korean singer, rapper, variety show host and member of RGP. He is best known for being in the sitcom, Nonstop and for co-hosting two popular variety programs, MBC's Infinite Challenge and SBS's Running Man.

From the Wikipedia article Haha (entertainer), licensed under CC BY-SA 4.0.