Pow Kapow Creations

Hi guys! So I has testing out some ideas and end up liking this result.
What do you guys think of this, to use as my personal brand?
Thanks for your feedback in advance.

Support :D http://www.redbubble.com/people/powkapow/works/42645062-pow-kapow-until-you-sweat?p=t-shirt&style=mens&asc=u