The void Terror called Kha'Zix.
This is what a K'6 Players Sees:
http://ddragon.leagueoflegends.com/cdn/img/champion/splash/Khazix_0.jpg http://s2.quickmeme.com/img/2d/2db85a78ccdbcb45bd122315533ec8f0aec40ccd1b9b420fb9362d777ac2d28a.jpg
This is what other players see Kha'Zig as: http://imgur.com/B5oW3T2 This is his victim; http://imgur.com/5arczvv
This is us after he kills one of your teammate: http://imgur.com/h1jSKtd
Kha'Zix is a dangerous motherfucker.