appearance in  TVXQ 's music video, "HaHaHa Song" that same year. In 2010, Chanyeol starred in the music video of  Girls' Generation  Japanese single, " Genie ." Chanyeol was the last member to be formally introduced, on February 23, 2012. -Exo-M Kris  is the leader   of Exo-M. Also known by