Well, that's kinda hard..You're being bery general here..Knowing your skill level (if you are making it), and what you look like (so we can say who you best look like).
I like VY2 Yuuma's outfit though..
Cosplay DA Regular DA
Kumoricon 2014 (so far):
-Sora (Kingdom Hearts 2)
-Serena (Pokemon Y [It's the one I have lol])
-Akaito (Vocaloid. Black & Red Ver.)