No longer required

Hey everyone.At the moment, I am practicing on drawing and painting semi-realistic male characters.I really want to improve and move a bit further in semi realism.So can anyone recommend me a few names of their favourite YouTube channels that contains such tutorials or share some tutorials on how to digitally paint male characters (semi realism plz).I will really appreciate that.

Please avoid sharing speed paints cause I already have a bunch on my laptop and they can be really frustrating at times when you try to learn from them.