These are oil paintings. So. Stick that in your pipe and smoke it.
About a gazillion more of these can be found on Steve Smulka's website, so go ahead and spend some time there if you feel like feeling unaccomplished today. (He also has a collection of female figure paintings, which are very beautiful as well.) Usually, hyper-realistic paintings have a tendency to leave me a bit cold - I'm more partial to a looser, atmospheric style and more fantastical/caricatured subjects - but I can't help but admire these. I'd love to see a process breakdown. How do you even start a painting like this?