It's clearly this guy
https://www.youtube.com/watch?v=yNhsXnxl04w
Being a bit more serious though, I like
Yuno Gasai(Mirai Nikki)
Izayoi Sakamaki(Mondaiji)
Death the Kid (Soul Eater)
Keima Katsuragi(The World God Only Knows)
Kumagawa Misogi(Medaka Box)
maybe Hajime(Gatchaman Crowds)
Isaac and Miria (Baccano)
Seki-kun (Tonari no Seki-kun)
3DS Friend Code: 047387541842