If there's an animé you'd like to suggest then by all means post the name in the comments.
Already Seen-
Soul Eater
Trigun
Hellsing (OVA/Ultimate)
Full Metal Alchemist
Outlaw Star
Detroit Metal City
Death Note
Soul Eater
Afro Samurai
Bleach
Ghost in the Shell
Cowboy Bebop
The Melancholy of Haruhi Suzumiya
My Little Pony Friendship is Magic
Metalocalypse
The Big O
Dragon Ball/Z/GT
Tenchi
Already Watched-
Love Hina
Black Lagoon
Now and Then, Here and There
Blood+
Eden of the East
FLCL
The Last Exile
Desert Punk
Blue Gender
Highschool of the Dead
Wolf's Rain
Claymore
Air Gear
Elfen Lied
Spice and Wolf
Fullmetal Alchemist: Brotherhood
Baccano!
Mirai Nikki (The Future Diary)
Currently Watching- Boogiepop Phantom
To Be Watched-
Gurren Lagann
Serial Experiments Lain
Mind Game
Umineko no Naku Koro ni
Cat Soup
Paranoia Agent
Jigoku Shoujo
ChaosHead
Blue Literature Series
Ergo Proxy
Mnemosyne
Ayakashi: Japanese Classic Horror
Pet Shop of Horrors
Colorful
Requiem From the Darkness
le Portrait de la Petite Cossette
Shiki
Higurashi no Naku Koro ni
Hugurashi no Naku Koro ni Kai
ef - A tale of memories
ef - A tale of melodies
Kara no Kyoukai (all seven of them)
Shiki
Deadman Wonderland
...Give me more suggestions of the Dark and Twisted variety!
P.s. I made this Youtube.com
Black Butler was pretty good.
Not sure of what to make of the plot to Black Butler.
The Guyver, (Not the Mac variety :) ) seriously violent and seriously cool! Love the idea, but its seriously hyperviolent!