Son Ho-jun (born June 27, 1984) is a South Korean actor and singer. He made his acting debut in 2006 in the educational drama, Jump 2.[1] In 2007, Son made his entertainment debut as the leader of Tachyon, a three-member boyband,[2] which first performed on the show A-Live on Channel V Korea. The first pop group launched by J&H Media, Tachyon released the debut single Feel Your Breeze (a Korean remake from the Japanese boyband V6), then disbanded shortly after.