There is more than one artist known as Haha.
1. 하하, a hip hop musician from South Korea
2. HAHA, An electronic musician from Vancouver, B.C. Canada 1. 하하 (born Ha Dong Hoon (Korean: 하동훈, Hanja: 河東勳) on August 20, 1979) is a South Korean entertainer. He first debuted in 2001 with a hip hop group named Jikiri, although the group was not very popular. His fame grew when he began to imitate Kim Jong Kook on the popular variety show X-Man, on which he became a series regular until its end in early 2007.