Hi!!

It's cool seeing new sketchbooks!
I like the details you have in the costumes! I say it here and there, but I do commend anyone who actually draws a costume on a character, because I can't do it!
As for the anatomy and stuff, I see there are some off proportions:
In the first picture, the character looks like he's sort of tipping to our left. So just a bit off-balance there!
For the woman in the second picture, her breasts appear to be too high, and her bottom half seems MUCH larger than her top. I do like the strength in her legs, mind you!

Her face is also a bit out of proportion, like vertically squished a bit.
Crud, I have to cut off. Really, it's just little things with the facial proportions and the different body parts in comparison to one another. You just need to work on measuring those proportions, I'd say!
If there's more stuff, I'm certain someone else will point it out quite nicely! Good stuff though!

...Love those legs!! o_o
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