After a long and lengthy bout of research

which i rather enjoyed, I came up with a list of reasonably good gothic, twisted anime/ manga that fellow Snarklings ( to borrow the Lady of Manners phrase)  will definitely enjoy .
they are as follows:

D. Gray-man

Vampire Knight

Kuroshitsuji (Black Butler)

Pandora Hearts

07 Ghost

Wallflower

Trinity Blood

Ergo Proxy

Death Note

Hellsing

Nana

Ghost Hunt

Higurashi

Laon

Rozen Maiden

Zombie Loan

Jigoku Shoujo

Godchild

Hell girl

Devil May Cry

Princess Resurrection

Goth

Count Cain

Shiki

Soul Eater

Gantz

Elfen Lied

School Days

Saint October

Venus versus Virus

Bakemonogatari

The Melancholy of Haruhi Suzumiya

xxxHolic

xxxHOLiC: Kei

Shinreigari – Ghost Hound

El Cazador de la Bruja

Night Head Genesis

Dance in the Vampire Bund

Rosario + Vampire

Beserk

Samurai X

Blue Gender

X

Paranoia Agent

Tsukihime

Serial Experiments