I say Ken from And - Eccentric Agent! Most definitely!
RadCon 2012: Cosplaying as Howl (Howl's Moving Castle)
SakuraCon 2012: Cosplaying as Syo Kurusu (Uta no Prince-sama), Duke Venomaina Gakupo (Vocaloid), Tsubasa Amaha (Starry Sky~In Winter), and Ruki [The Suicide Circus PV] (the GazettE)
Anime Expo 2012: Cosplaying as Kotetsu T. Kaburagi (Tiger and Bunny), Ruki [The Suicide Circus PV] (the GazettE), Duke Venomania Gakupo (Vocaloid), Howl (Howl's Moving Castle), and Shizuo Heiwajima (Durarara!!)