Animes I've seen.
Gurren Lagann
Magi- The Labyrinth of Magic
Fullmetal Alchemist
Fullmetal Alchemist-Brotherhood
Kaze no Stigma
Sword Art Online
Madoka Magica 
FairyTail
Attack On Titan
Soul Eater
Blue Exorcist
Deathnote
Black Butler
Naruto
Avatar: The Last Airbender
FLCL
One Piece
Bleach
Durarara
Jojo's bizarre adventure
Strike the Blood
Black Bullet
Angel Beats
Demon King Daimo
Blade and Soul
Occult Academy
Hell girl
Blood +
Squid Girl
Black Jack
Elfen Lied
InuYasha
Kite Liberator
Xam'd: Lost Memories
Ghost Hunt
Humanity has Declined
Mazinkaiser SKL 
Rosario + Vampire
Fruits Basket
Chrome Shelled Regios
Darker Then Black
Highschool of the Dead
Beelzebub 
Code: Breaker
Hellsing Ultimate
Vampire Knight
Kamisama Kiss
Ghost Whispers
Desert Punk
Moribito: Guardian of the Spirit
Heavenly Sword
Irregular at Magic High
K
Koutora-san
Deadman Wonderland
Dance in The Vampire Bund
Blood -C
Black Blood Brothers
Claymore
Gakusen Toshi Asterisk
Kyoukai no Kanata
Tokyo Ghoul
Code Geass
Another
Arcana Famiglia
One Punch Man
Diabolik Lovers
DRAMAtical Murder
Junjou Romantica
Worlds Greatest First Love
Haikyuu!!
Akatsuki no Yona
I Like What I Like, so there!
Nabari no ou
Nagi no Asukara
Sengoku Basara
Ai No Kusabi
TightRope
No Money!
Fuyu no Semi
Hyakujtsu no Bara
Love Stage!
Loveless
Ikoku Irokoi Romantan
Kizuna
Papa to Kiss in the Dark
Uragiri Wa Boku no Namae wo Shitteiru
Hakken Ibun
Kekkai Sensen
Devil May Cry
Gakuen Heaven
Tokyo Ravens
Tsukuyomi: Moon Phase
Gravitation
Viewfinder
Seven Deadly Sins
Sirius the Jaeger
Irregular at Magic High

And many more...
Also, if you have any suggestions for me to watch an anime, please do let me know! ^-^