Lee Chan-Hyuk (Korean: 이찬혁; English: Lee Chan-Hyuk, born September 12, 1996) is the older brother of the South Korean creative sibling group AKMU. He is one of the lead vocalists and producers of the group, responsible for writing and composing all of their songs. At the age of 16, he won the second season of 'K-Pop Star' and later signed with YG Entertainment.
