EXO [엑소] is a South-Korean/Mandarin boy group based in Seoul, under the company SM Entertainment. The group debuted on April 8, 2012 with 12 members separated into two subgroups: EXO-M & EXO-K, performing both in Korean and Mandarin. In 2014-2015 Kris, Luhan & Tao had filed a lawsuit against SM, terminating their contract. EXO-M & EXO-K no longer exist today. In 2016 EXO'S sub-unit, EXO-CBX had their debut (ChenBaekXi).