Gender: Male Age: 25 years old Height: 175cm Nationality: Korean Personality: Naive and pure, he is easily fooled by pranks (which is why the members tease him often). He makes a lot of mistakes, and every time he does, Guest is the first to run over and clean up after him. (Heart-fluttering point... + Lee Joong-hyun ruffles his hair whenever that happens.) Appearance: Black hair and black eyes. Fair skin. Team ring on his finger. Hair styled down. One piercing in each earlobe. Position: Main Vocalist, Eldest Member Other: He is always stuck to Guest's side, to the point where they've been nicknamed the 'Couple-z' or 'Lovey-Dovey-z'... (That's how much they rely on each other.) He is so pure and innocent that it's hard to believe he's the eldest, and he cries easily. He loves physical affection, especially being hugged by the members or sitting on their laps. He finds Guest's awkward Korean adorable and sometimes teases him by asking him to say difficult words or sentences.