shadow men(updated with new image)

[Goo]

just a ruff study on lighting..dark faces...etc. worked mostly from memory, the second pic is kinda rushed, mom nagging me to go to sleep.....sheesh....anyways, would like some pointers
http://www.angelfire.com/comics/g00/images/DFS.jpg
http://www.angelfire.com/comics/g00/images/DFS2.jpg

[Goo]

sheesh......come on guys.....some help?:(

one more sketch......please DO critique it.....i'm probably gonna paint it, so i would REALLY like some critique before i start...i won't mind if its harsh...thats wad critiques are for..

http://www.angelfire.com/comics/g00/images/seatitan_sketch
the head figure on the top left is for reference...

[usagi yojimbo]

i dont really have much to say about the first ones but the anatomy on the demon guy is a bit off, hios abs adn his shoulders are too small and i think his pecs area bit too high.

i like the pose but im guessing that youre gonna add what ever it is hes yelling at?