Doubleagent is currently among the highest levelled Wandering Isle stayers, first to reach level 100 and first (and only) to reach level 90 in Mists of Pandaria.
He hit level 100 8:25 PM EST on March 3, 2015.
He hit level 90 10:11 PM US time.
Milestones for Doubleagent :
Youtube channel: http://www.youtube.com/user/johnnie1wb