Wow, I didn't expect so many answers, thank you all so much for taking the time to do this! I will try to implement everything you have told me, although I will have to kick the bad habit of squeezing the pencil too hard and leaving everything too "dirty". But it is necessary, I see it now clearly.
Pixeld, thank you very much for the recommendations. In principle I know and do not know the style I want to look for. I don't want a "pure" realism, and the more... comic format I love, but without going to something extreme as I can consider, for example, the manga style, from which I want to move away. Likewise, I think the anatomical basis for it is more than necessary for me. I'll keep an eye on the artists you mentioned, because I'm sure they're great, just like when I looked at Proko hahaha.
Sokarads, thank you very, very much for that response. I'll try to apply the advice you give me, to see if I can improve my creation. Thanks in turn for the links, I'll take a close look at them and get as many as I can!
Really, thank you very much to all of you, the drawing is very important for me and your advice and support encourage me a lot ^^ I hope I can continue showing you my evolution!
