Kang Yuchan (강유찬) is a South Korean singer and actor under Beat Interactive. He is the maknae of the boy group A.C.E and a former member of the project boy group UNB.
Chan was apart of dancing crew that specialized in popping called Alive87, he went under the name Aka Buggy.
In 2017, Chan, along with fellow group member Jun, became a contestant on KBS 2TV's idol rebooting show The Unit. He made it to the final line up after achieving 9th place, making him a member of the temporary boy group UNB. The group debuted on April 7, 2018 with the mini album Boyhood and disbanded on December 2018.
On March 18, 2020, Chan was announced as a cast member for upcoming web drama Twenty-Twenty.