Xiheon 시헌 is the main vocal of Myteen.
Xiheon was born Kim Gukheon 김국헌 on April 15, 1997, in Bundang.
He’s an Aries. Like fellow members Junseob and Yuvin, his blood type is A. He was born in the Year of the Ox. At 176 cm or 5'9½", Xiheon, Chunjin, and Junseob are the shortest members of Myteen. They’re shorter than the tallest member, Hanseul, by 7 cm.
His nickname is “Gukkwon.” He’s friends with Astro’s MJ.