Keenan Cahill (March 20, 1995 – December 29, 2022) was an American YouTuber and Internet celebrity who gained fame in the early 2010s for his viral videos in which he lip synced to popular songs before he went on to become a singer-songwriter and also did video collaborations with various other well known celebrities.
In July 2011, Cahill was joined backstage of Glee! Live by cast members Dianna Agron, Harry Shum, Jr., Darren Criss and Jenna Ushkowitz to lip-sync to Katy Perry’s song Last Friday Night (T.G.I.F.).