Grim Reaper: "Cerberus and Persephone," by Laura Csajagi, at deviantART. In Greek myth, the three-headed dog Cerberus ("Spotted") guarded the of the The Persephone ("Corn Striker" or "Death Bringer") was the wife of the Underworld Hades.
Here in Denver I help run a group called the Denver Illustration Salon and every Saturday we meet up at a local hot dog place and host a Drink n' Draw. That's where I sketched this guy up and start. - I like the roar of this dragon and how it is looking