There are two bands named Underflow. 1) Underflow is a Japanese electronic metal band from Japan. http://www.audioleaf.com/underflow 2) Underflow is a 3-member city rock and shoegaze band based in Seoul, South Korea. The band consists of Sang Sang (김정민), Dodo (손병권), and Kihyeon (기현). Read more on Last.fm