Personally, I would say Bronies are the worst.
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Edited by rat lord: 4/5/2014 6:47:29 PMWait, people still think Sonic is good and relevant? huh. Edit: just found a slightly outdated [url=http://gamebabble.wordpress.com/2010/02/22/sonic-and-the-worst-fandom-ever/]article[/url] on the horrors of the Sonic fandom. It's worth a skim.