Nice dude.
cool dude, i like it.
Check this out
"please offer constructive criticism that will be useful to the artist. "
Have you considered making it harder to defeat the boss? Let's say, on the boss's third attack it damages our hero. Now he's on the ground, struggling while the boss is charging up his next attack and you think how is he gonna survive this? Then the hero comes up with his special move and pwnz the boss.
cool results though. Havablast!