Anime Planet, one of the largest anime recommendation sites on the web comes jam packed with a number of features and list giving one a sense of the overall community. For this post I will run down the top 10 most hated characters of all time as chosen by the users of Anime Planet. Of course with the addition of newer anime titles and a growing number of users, this list is subject to change with time but for now, here's the list.
Makoto Itou (School Days) is the top one for me hehe
ROFL they're all from the same 3 anime.
For me, Ichiki from Infinite Stratos or Kenichi from well, Kenichi. Ichika because I just plain hate the oblivious "too nice" type who doesn't really stand up for himself. Kenichi because his sense of justice just pisses me off. I mean when a girl is beating you up and you don't fight back because she's a girl and needs to be protected, you just piss me off.