Jimmi Simpson (born November 21, 1975) is an American stage, film and television actor, best known for his recurring roles in television series, such as House of Cards, It's Always Sunny in Philadelphia, Psych, and Westworld.
Arty is a lonely zombie-like creature who longs for a companion. He soon hatches a devious plan to turn more people in creatures like him, in order to befriend them… This ultimately causes tons of mixed emotions from the people he’s turned, ultimately leading to Arty teaching them how to be a creature.
