Martial Arts School needs a T-Shirt Design

This is what a business in United States was looking for in their t-shirt design

I need a T-shirt design for a new Martial Arts School called
"G Force Martial Arts"

I would like the design to be Modern/Futuristic/Contemporary.

I would like the designs that use the colors Purple, Grey and Black. But I I would like to see other colors as well to see what the design would look like on different colored shirts - Red, Black, Gray, etc...

I'm open to any designs to go along with the name, but would like to see more Anime, Futuristic Karate Characters.

I've attached our current logo. Read more