Helpful information about new Deadeye or Jhin Theory

In case you haven't been on for a while, or have missed it, there have been teasers to a new champion who has had the name, "Deadeye", and "Jhin" tossed around. If you're curious, here are a few links from Youtube and the teasers that have happened (sona, Zed), teaser that is in effect (Garen), and teaser that is to come (Vi).

http://gameinfo.na.leagueoflegends.com/en/game-info/champions/garen/ http://gameinfo.na.leagueoflegends.com/en/game-info/champions/vi/ http://gameinfo.na.leagueoflegends.com/en/game-info/champions/zed/ http://gameinfo.na.leagueoflegends.com/en/game-info/champions/sona/

https://www.youtube.com/watch?v=6VQEsP76bDU - Brofresco Theory/Zed https://www.youtube.com/watch?v=nDrm7RPc9V0 - Brofresco Theory/Sona