As for Zero Kiryu, his silver hair and the black day class boy uniform are the typical features of him, plus the anti-vampire gun Bloody Rose. As one of the most beautiful and popular characters of Vampire Knight, Zero is a vampire hunter and vampire. He has complicated relationship with Yuki Kuran.
As for vampire knight Zero cosplay, both girls and boys are into it and it really a suitable and good idea for both genders. Hence, we could always find a lot of cosplayers who are dressing up as this attractive vampire boy all the time.