Kettan Singh has apologised after filmmaker Karan Johar slammed the comedian for mimicking him in 'exceptionally poor taste'. Kettan is an actor, writer, anchor and a voice-over artist. He has been a part of projects like The Kapil Sharma Show, Wagle Ki Duniya, Johnny Jumper, Vicky Velingkar and more. Kettan, who has over 161K followers on Instagram, often mimics celebs.