my favorite are Full metal panic fumoffu and One Piece:vsign:

Tengen Toppa Gurren Lagann currently occupies the top of my list. I have a very big list though, and it's mostly mecha series.

i forgot to mention one more anime..
..final fantasy-advented children!

Action: DBZ
Romance: Elfen Lied
Gore: Elfen Lied
Comedy: Love Hina, Haven't seen so many "comedies", but this one was funny.
Harem: Love Hina
Drama: Death Note

I know there's a lot more categories, might edit...

Hellsing
Devilman

Dls his favorite is Deathnote ^_^

full metal alchemist

Elfen Lied, Evangelion, FMA, FLCL, Kanon, and then maybe...The meloncholly of haruhi?

Gakuen Alice:vsign:

Trinity Blood

Yami no matsuei , Gravitation and Suki na mono wa suki dakara sho ga nai



yay ﾀﾞﾃﾊﾞﾖ !!