100%: Profile, Facts, Military Service, Late Leader, etc.


Find Out More About Andy Lee of Shinhwa’s Idol Group—100%

One of the original Korean idols, Andy Lee of Shinhwa, formed a label management called TOP Media Entertainment. As an experienced singer and musician, he has recruited talented trainees and guided them until they debuted as idols. He was the main person behind the formation of the idol group Teen Top.

In 2012, Andy Lee formed the second idol group called 100%. 100% released popular hit singles such as “Guy Like Me,” “U Beauty,” “Want U Back,” and “Missing You.”

In this article, Channel Korea will provide you with everything you need to know about idol group 100%. So, stay tuned and keep scrolling down!

100% Profile


100% is a Korean idol group under the management of TOP Media Entertainment. The group was formed by a member of the original Korean idols, Andy Lee of Shinhwa. 100% was originally made up of seven members that were famous for their appearance: Rochyun, Jonghwan, Chanyong, Hyukjin, Minwoo, Sanghoon, and Changbum. Sanghoon and Changbum departed from the group while 100%’s former leader Minwoo passed away in 2018 due to his heart problem. Currently, 100% performs with four members.

100% debuted with the single “We” released in September 2012. In their debut showcase, they performed with their mentor/CEO Andy Lee, and their label’s senior Teen Top. 100% appeared in various music variety shows throughout 2012–2013.

Debut: September 21st, 2012

Label: Top Media Entertainment

Official fan color: Cloud, Starlight Blue, Crystal Sea

Official fan club: Perfection

Genre: Dance, Electric, Ballad, Rock

Official Account:

Instagram: @100pergram


Facebook: Official100percent

Daum café: 100PERCENT

YouTube: TOP100percent

Vlive: channels.vlive.tv/ED9233/video

Weibo: 100percentofficial

100% History


Andy Lee of Shinhwa formed the duo Jumper that consisted of Rockhyun and Park Dong-min in 2009. Jumper released two singles: “Yes!” and “Dazzling.”

Minwoo debuted as an actor before joining 100%. He performed in dramas such as Sharp 3 and The King And I. He participated in Andy Lee’s song “Single Man” alongside Park Dong-min

100% Debut


100% debuted on September 18th, 2012, by releasing their debut album We, 100%. Several days later, 100% made their live debut performance on KBS’ Music Bank and released the music video of “Bad Boy.”

100% was the second group that was formed by Andy of Shinhwa. 100% also comprised a subgroup, 100% V that consisted of Rockhyun, Jonghwan, Hyukjin, and Chanyong

In 2017, 100% made their Japanese debut with the release of the single “How To Cry.” Soon, all remaining members participated in the idol rebooting program The Unit.

100% Members’ Profiles


Birth Name: Kim Rockhyun

Stage Name: Rockhyun

Date of Birth: February 10th, 1991

Place of Birth: Suncheon, South Jeolla Province

Height: 175 cm

Weight: 62 kg

Blood type: B

Position: main vocal

Zodiac: Aquarius

Instagram: @k_rockhyeon

Twitter: gusdl210


Birth Name: Jo Jonghwan

Stage Name: Jonghwan

Date of Birth: November 23rd, 1992

Place of Birth: Seongnam

Height: 177 cm

Weight: 61 kg

Blood type: AB

Position: Vocal

Zodiac: Sagittarius

Instagram: @jeonghwan

Twitter: 100per_jonari


Birth Name: Kim Chanyong

Stage Name: Chanyong

Date of Birth: April 29th, 1993

Height: 180 cm

Weight: 63 kg

Blood type: O

Position: Vocal, main rapper

Zodiac: Taurus

Instagram: @chachayongyong

Twitter: 100per_yongyong


Birth Name: Jang Hyukjin

Stage Name: Hyukjin

Date of Birth: December 20th, 1993

Height: 176 cm

Weight: 64 kg

Blood type: B

Position: lead vocal, lead dancer, maknae

Zodiac: Sagittarius

Instagram: @100per_hykjin

Twitter: 100per_hyukjin

Past Member


Birth Name: Lee Sanghoon

Stage Name: Sanghoon

Date of Birth: December 23rd, 1993

Place of Birth: Chungcheong, South Korea

Height: 182 cm

Weight: 63 kg

Blood type: A

Position: Vocal, visual

Zodiac: Capricorn

Instagram: @danielllsh


Birth Name: Woo Changbum

Stage Name: Changbum

Date of Birth: October 7th, 1993

Place of Birth: Sokcho, Gangwon Province, South Korea

Height: 178 cm

Weight: 58 kg

Blood type: O

Position: Main Dancer, lead rapper, vocal

Zodiac: Libra

Instagram: @c-bum1007


Birth Name: Seo Minwoo

Stage Name: Minwoo

Date of Birth: February 8th, 1985

Height: 177 cm

Weight: 62 kg

Blood type: O

Position: Leader, vocal, lead dancer

Zodiac: Aquarius

Instagram: @sogogijuseyo