Ezra Chatterton was the kid that got to visit the Blizzard HQ, through the Make a Wish foundation. Unfortunately he passed on in October last year. But he is now immortalized in World Of Warcraft as Elder Ezra Wheathoof standing on the Elder Rise in Thunderbluff !
Found this out through:
http://azeroth.metblogs.com/2009/01/28/ezra-chatterton-immortalized-as-an-elder/