We will never forgive the injustice!!!

This was my entry for the Super Saiyan Day Contest 2012 on DeviantART. At first I was going to draw 20 characters, but since I had no time I had to leave in 15... Anyway, I hope you enjoy it and sorry if any of the characters is not very well drawn (it's my first time drawing characters that are not from Dragon Ball)

Son Goku (C) Akira Toriyama
(OC) JPL (C) PLATINUMBROLY
Himura kenshin (C) Nobuhiro Watsuki
Kenshiro (C) Buronson & Tetsuo Hara
Yoshina Ageha (C) Toshiaki Iwashiro
Uzumaki Naruto (C) Masashi Kishimoto
Kurosaki Ichigo (C) Tite Kubo
Momonari Junta (C) Masakazu Katsura
Urameshi Yusuke (C) Yoshihiro Togashi
Monkey D. Luffy (C) Eiichiro Oda
Natsu Dragneel (C) Hiro Mashima
Sawada Tsunayoshi (C) Akira Amano
Nura Rikuo (C) Hiroshi Shiibashi
Negi Springfield (C) Ken Akamatsu
Sakata Gintoki (C) Hideaki Sorachi

P.S.: The other five that I didn't include are:
-Seiya from Saint Seiya.
-Gatsu from Berserk.
-Allen Walker from D-Gray Man.
-Oni me no Kyô from Samurai Deeper Kyô.
-Kazuki Muto from Busô Renkin.