I have somewhere around 20. I don't want to count right now to get the exact number. But last time I counted I had 18, I've gotten a few more since.
Sakura-Con: Souji Okita - Hakuouki, Rose Lalonde - Homestuck, Byakuran - Reborn, Toma - Amnesia
Otafest: Karkat Vantas - Homestuck, Meulin Leijon - Homestuck