Similar to the Megaman series, players will gain a new weapon to use once they've beaten a stage boss. Besides being able to shoot horizontally and vertically, Mr. Bentspine can also execute double jumps and dash for a short distance.
http://www.thepoppenkast.com/forum/index.php?topic=1947.0
http://dl.dropbox.com/u/4809065/Warlock Bentspine.rar