The blacked out characters.

#1 - Jan. 19, 2012, 9:46 p.m.
Blizzard Post
The explanation is simple. It's a SOPA thing. Nothing to be worried about.
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Community Manager
#27 - Jan. 19, 2012, 10:06 p.m.
Blizzard Post
The part of the website that captures in-game character appearances and displays them on the website went down. We're working to get it back up today, if possible. Until then some people may appear as 'unknown' character portraits if theirs had not been cached by the site.