This is my favorite illustration of a dwarf by amazing artist Adrian Smith. I don't know that I'll be able to match this look, but it's definitely an inspiration.
Number 6 doesn't look anything like Justin Bieber, but 5 sure does ring of Sorbo. What player would ever pick 4 as a look is a mystery to me-though, sadly, nature has chosen it for me in real life. Thankfully A is an option! I hope to start work on the game model soon.
Here are a few face change ups. These are created for symmetrical textures/uv/geo. They would look a bit better with some asymmetry of course...so I might take one and create asymmetry in just the area of the eyes, nose and mouth.