Huh Gak was born on 15 November 1984. He is from Incheon, South Korea and lives with his father and his twin brother,Huh Gong. He graduated from ‘Hwanbuk Elementary School’ and ‘Incheon Boys’ School. As a young child, Huh Gak went through a family divorce and faced financial difficulties. Therefore, after middle school, he decided to drop out of school and make money. Before he appeared on Super Star K 2, he worked as a ventilator fixer and a festival singer.
Huh Gak appeared on Superstar K2 and took the first place spot. After winning Superstar K2, Huh Gak debuted with the single entitled, "Always" which made an ‘all-kill’ on various music charts. On November 2010, he released his first mini album which consists of five tracks including the title track, "Always." Huh Gak and Superstar K2's John Park also collaborated on a duet track for the movie, "Glove" entitled "My Best."
2011: Cube Entertainment & "First Story" album
On February 2011, after a month of searching for an entertainment agency, he decided to join A Cube Entertainment, a sub-label of Cube Entertainment despite of the other few offers that he received. He then joined Immortal Songs 2.
On 16 September, Huh Gak released his first official debut album entitled "First Story", which obtained a triple crown on Gaon charts and also made him win on M! Countdown and KBSMusic Bank.