Jang Dong-min (Korean: 장동민; Hanja: 張東民; born July 20, 1979), is a South Korean comedian. He is known as ‘comedian who curses a lot’, (his comedy style is mainly on yelling and cursing). He is part of Gag Concert's 19th class (class of 2004), together with Yoo Se-yoon and Yoo Sang-moo. He is part of 옹달샘 (Ongdalsaem) a trio with them. He was the winner of the 3rd and 4th seasons of The Genius. He is especially noted in the industry for his witty, though often critical and condescending gags. It was often reported that he was under controversy for such related incidents.