New Champion Release Date (Estimated)

Greetings Summoners! Lately some "teasers" have been revealed to us (Check them out HERE). After the teasers got released, we immediately got to the thought that these teasers had something to do with an upcoming champion. But when will this "champion" be revealed? Check it out: http://www.patchalert.xyz/2016/09/new-champion-release-date-estimated.html