Durarara!! is my all time favorite.
Then Fullmetal Alchemist Brotherhood
then One Piece
then Deadman Wonderland
then Naruto
then Rave Master
then InuYasha
then Kekkaishi
then Bleach
then Fullmetal Alchemist (Original Anime from 2003)
then Eureka 7
uhhhh there's more I'm missing...