I think some of the shapes seem square and there's not a lot of depth. His pose is weird too, it doesn't seem like he's relaxed at all. Legs also seem a bit short.
Like E-Man said, it's pretty good for your first sprite, but I also think you should try something more technically impressive after you're done with this.
Like E-Man said, it's pretty good for your first sprite, but I also think you should try something more technically impressive after you're done with this.