If there's an anime you'd like to suggest then by all means post the name in the comments.
Already Watched
Soul Eater
Hellsing
Death Note
Bokusatsu Tenshi Dokuro-chan
Panty and Stocking with Garterbelt
Rozen Maiden
Rosario + Vampire
Lucky Star
K-ON!
Suzumiya Haruhi no Yuutsu
Love Hina
Elfen Lied
Another
Black Rock Shooter
.Hack//SIGN
Witchblade
Currently Watching
Jigoku Shoujo
Chobits
Kuroshitsuji
Suzumiya Haruhi no yuutsu 2009
Jormungand
Hellsing Ultimate
Ergo Proxy
To Be Watched
Interstella 5555
Darker Than Black
Devil May Cry
Futary Wa Pretty Cure
Ouran High School Host Club
The World God Only Knows
Black Lagoon
Trigun
Ergo Proxy
Cowboy Bebop