It's not actually a battler maker but I have used it as a battler maker and it was useful for me.
I don't know if you like it but I think it may help those who want to make their battlers easier.
Please credit the site if you decide to use it.
This is the site:
http://www.ugo.com/games/superhero-generator-heromachine-2-5
I have Hero machine as a saved page which can opened without internet connection so if you want,I can upload it. ( I think it's available on the net ).
Example :

Example in RPG Maker :


I can help you in making the characters suitable for RPG Maker like the screen shots, just make the character with white background and then I will do the rest.
That's all, I hope it will be useful.
Edited by Khallid - July 28 2010 at 4:04am