Fesworks, aka "Fes", is a Timber Wolf Mutt (40% Timber Wolf, 50% Canine Mutt, 10% Feline). As well as a fursona, it is also his prominent internet handle. His real name is not given out publicly, though he does live in Minnesota, USA.
He started his first webcomic, P.S.I. during July of 2006. It was designed as a Human and Furry world. Though several other projects have been forgone since, P.S.I. continues to update as his main project.