CNBLUE’s guitarist Lee Jong Hyun transformed into a tough guy with a mysterious image through 'Collin', in the SBS drama 'A Gentleman's Dignity', catching much attention.

Lee Jong Hyun known to enjoy working out and even was committed on having a career in judo decided to change his path as he fell in love with music. His fit body from his sports days is visible.

In last week's 'A Gentleman's Dignity', there was a scene where Lee Jong Hyun had to kick open the door to save Im Me Ah Ri who was trapped in a bathroom. After this scene, Lee Jong Hyun has been registered as 'tough Collin', leaving a bold impression on the viewers.

While filming for that scene, Lee Jong Hyun revealed his hidden judo skills that he had piled up since he was little, getting an easy OK from the director after kicking the door open once.