I've been searching to see. First thing I found was this:
found @:
http://www.basilmarket.com/forum/265507 ... eroes.htmlon: May 09 13
I'm going to only speculate it was gret whom made this post. Here is what some of the people had to reply back:
Little did they know, helmet heroes blossomed. Although it seems HH took alot of pages from the ol' Maple Story handbook and added within its code. Probably why I enjoy the game as i do.
This one didn't catch much comments but worth noting
The post was made by this guy:
and he said:
One person comments and said the following:
so far a bad start... lets keep looking...
will update if more information is found