there got to be manga charaters in anime that u dont like. or els the anime will be boring. that what i think..
i think Sai in naruto dont say mutch nice things to people- hehe..
and Saske is evul but sexy ^^
Orochimaru gives me the creeps..
thats what i think.. hehe about naruto.

There are so many, let's see...

Shinji from Evangelion: He's a cry baby who wimpy and has homosexual urges (although i love the show, mind you).

Takumi from Nana: He's a conceited man-hoe who plays with Hachiko's emotions for his own sick happiness.

Naruto from Naruto: I hate his voice... plus I just don't like that show.

Kyo from Fruits Basket: He's mean, and has a bad temper.

hmmm, can't think of anymore.

I hate only one character Rolo from code geass!I hat him!!

I really hate misa(deathnote):chikasfrown: :: sakura(naruto)their soooo annoying

Folgore (Zatch Bell)

Orochimaru (Naruto)

I don't hate any Anime character. More like dislike. I dislike Hinata (Naruto).

Um..dislike: Inuyasha, Mirouku, Nuroku
Akane and Happosai or Ranma 1/2
Sasuke or Naruto
Sousuke of Full metal panic

hmm, off the top of my head:
Winry (FMA)
Light (DN)
Kikyo (Inu)
Matoko (Furuba)
there's probably a few more that i can't remember =/

Misa from Death note because she is incredibly stupid. She has cool clothes though...
Near from DN....I hate that little kid!!! He's so annoying.
um...can't remember more....

I hate Naruto, from Naturo. He is annoying! Just everything about him really, perhap's that is the reason I do not watch/read Naruto, the main character is a *insert bad word here*