Thanks for the submission. I like the accent of black in Entry #2, but the form is a bit loose. Not sure what the arm position is doing. Maybe the red underneath with a black belt around the legs could work better. The Japanese style characters are a nice touch, though I don't want to look like a Kung Fu club.
I like his arms better in Entry #12 definitely. I think he's going a really nice roundhouse kick. I get the sense that his body posture is leaning just right. Please try a black belt instead of the white. Also, maybe try red under him instead of black.