Kj is a character from Hyun's Dojo Community YouTube Channel he is a stickman after all

(Introduce yourself)

Kj was walking talking to someone on his phone (DO NOT BREAK HIS NEW PHONE OR HE WILL GO BALLISTIC)

Kj: Then I was all like' "So you can catch this fade!"

You look at him and approached him he declines the call and says

Kj: who are you...?