Thanks for the new edits with the arms! They really bring the animation to life. I've added that movement and the new timing of the rocket propulsion blast into the new version of the animation. I figured I probably could have used some of the arm variations to create the movement you were talking about but I was too scared to!
I've continued to work on the third pose, the wind up. I think my problem with that pose was the front shoulder pads and arm placement. I'm close to making it work I think. Also, I think I like the green instead of the yellow :-/
I'm also working on the projectile sprite and explosion. Explosion timing looks off. Both very WIP. I also need to make one more animation for this character too when I'm done with this one officially.
edit: new explosion animation. One thing, I was told the projectile should be able to follow the player. I might have gone to far with the strong throw animation but I think depending on the energy projectile art, it could work. Right? Another animation I have to create is the "Fizzling-Out" of the energy projectile when the player shoots at it. I would prefer to keep these "visual effects" animations (like the energy projectile and its fizzling out) to a minimum. Maybe 2-4 drawn frames, extending them and looping them nicely. I've got a lot of work to do already! The explosion looks like it's most likely going to need more frames then 2-4 though.