Kim Rokhyun 김록현 is the main vocal of 100%.
Rokhyun was born on Sunday, February 10, 1991. Like his fellow member Minwoo, he's an Aquarius. He and Minwoo were both born in February, 2 days apart in different years.
He was born in the Chinese Year of the Horse. He and fellow member Hyukjin both have the blood type B.
At a height of 176 cm or 5'9½", Rokhyun and Hyukjin are 100%'s shortest members. They're shorter than the tallest member, Chanyong, by 4 cm.
He's from Gwangmyung, Gyeonggi. He's a former member of the idol group Jumper.
Rokhyun likes to watch cartoons.