When my girlfriend noted this wonderful little piece to me I was downright thrilled! Not only is it fun, but it's very cute and nicely executed as well.
I'll be breaking down each rating on this one! For vision you got five stars! Putting it simply, it seems you wanted to convey humor. I think you did so wonderfully, and I applaud you.
Originality I knocked off a star and a half, just because it's not your character and it's not a dance you invented. Really, I don't consider that much of 'blow' to your score at all though.
Technique I'd give you ten stars on if I could! The animation runs wonderfully and smoothly, and the art is very crisp and clean. I'm a sucker for the little details, and the shine on the mask really really got me there. Not to mention, the color contrast between light and dark on the entire thing is flawless.
Impact I gave most of your points on as well. You got a 4.5, because I feel like this will stick with me for some good giggles. However, I probably wouldn't make a background of little dancing Pyro here. (If anyone did make one though, I'd be entertained to say the least!)