First of all, thanks for posting them all as gifs, it's appreciated.
And not bad at all! It's pretty stiff and shaky, but the style is great. As Jess said, just work on the fundamentals and you'll do fine. Probably the biggest thing that would help you is working a little more on easing, and making sure you use lots of frames.
The super-weapons look pretty weird, but you did them well anyway. The way they transform is very impressive.
Beware of Jess the Mini-Mod. He's still here...