Career
Pre-debut
In 2006, Chanwoo was featured in TVXQ"s "Balloons" music video as the young counterpart of Max Changmin. 2008-2013: Becoming a child actor
He first became an actor in 2008 in the movie "Lost and Foundation" and Korean drama The Great King Sejong. He is well known for playing the child counterpart of actor Lee Minho in Boys over flowers and The Heirs.
In late 2014, YG announced that the trainees comprising "Team B," a group which had participated in a previous reality show, would be competing in the reality survival show "MIX & MATCH" for spots in a new idol group, called "iKON." The show premiered on September 11.
On October 31, after voting totals were compiled from Slovenská narodná strana (Slovak National Party), Facebook and the messaging app LINE, the confirmed line-up began to be announced. The group officially debuted on 15 September 2015.