Mike Judge based many of his character designs on real people.

Hank hill is a crude representation of a real life person much like his other characters.

You could more successfully imitate mike judge by drawing sketches of real people.

Some of the facial features of mike judge characters are based on reality but still not entirely realistic.

Teach yourself to draw crude representations of real people and the mike judge style becomes easy to emulate.

Your given subject matter of Hank hill transforming dragonballz style also requires an additional understanding of Akira Toriyama too.

Pay close attention to both drawing styles while carefully observing each little detail.

The theme of your drawing requires an understanding of both Dragonballz and King of the Hill.

When you understand something about a certain details than drawing becomes increasingly easy.

Draw something based on observation often enough than working from memory becomes easy.

Don't assume to know what certain things look like.

The best artists usually place a lot of effort into observation of perviously overlooked details.

When you learn something new about the details of your subjects than it will become more easy to draw.

After gaining an understanding of both the dragonballz art style and The King of the Hill art style.

The next step is building upon both art styles for creating fanart more distinctly yours.

The drawing of super saiyan Hank hill needs that extra bit of refinement described perviously within this review.

The sky looks great since the stars are different sizes; However, the color of those stars needs a simple adjustment.

Stars are not all the same colors.

Real life stars are a variety of colors including red, blue, green, yellow, white, ect.

You'll create a much better looking night time sky by experimenting with multiple colors for each star.

The text for Hank's scream looks excellent.

That font was beautiful.

I'm done reviewing your drawing and personally enjoyed the wacky premise of your drawing.

Make another drawing with the same theme with your new knowledge and it'll go over a lot better.

I hope this review provided sufficient information towards improvement.

Best of luck with your future endeavors.

- Mightydein