Most Toxic Player In Leauge Of Legends?

Well league of legends is a game full of toxic players and I would be interested in hearing all of your opinions about the most toxic player in league of legends and hear some of your own stories, I just had an encounter with a vayne who would flash onto me when ever zilean hit her with a bomb when I was at full health... she would then spam racist remarks in chat and had a macro for saying enjoy the ban whenever anyone else would type. This player's name was bowerzz if you were curious. What are your most toxic league of legends encounters?