Mighty Mouth is a South Korean duet male group made up of Sangchu and Shorry J. Debuted in 2008 with their Energy album featuring Yoon Eun Hye for "I love you", Sunye of the Wonder Girls for "Energy" and Son Dambi for "Family". On January 18, 2011 Mighty Mouth released Tok Tok as part of their album Mighty Fresh. This was the first of many songs featuring Soya. On 30 October 2012, Sang-chu enlisted for mandatory military service for five weeks of basic training followed by 21 months as an active-duty soldier with the 306th draft in Uijeongbu, Gyeonggi Province, where he served along with Super Junior's leader Leeteuk until his discharge on 8 Aug 2014. On April 2016, the duo launched their own agency Allmighty Records.