Doodles i made at school

Is this shading good? Or should i try a different one, if so what shader should i use?

HAPPY HALLOWEEN!!!!

alea and cuppie

Mike :P

The graduation from low wins.

Who's he running from?

(W. I. P)

I just get called "dora the explorer"

Where the hell are we

I'm trying to improve with drawing hairs (especially female ones)

Any Feedbacks?

All feedbacks are appreciated