which actor plays this character?
Patrick Dempsey
Derek Shepherd
Derek Christopher Shepherd, M.D., F.A.C.S., also referred to as "McDreamy", is a fictional surgeon from the ABC medical drama "Grey's Anatomy", portrayed by actor Patrick Dempsey. 
in grey's anatomy who does meredith end up with Derek Shepherd who is the actress playing the afore-mentioned character? Ellen Pompeo what type of person is the character she ends up with? He is described as typical "Prince Charming", planned to be a doctor who doesn't really care about anything, who lives in his "own" universe.
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Derek Shepherd [SEP] Introduction
Derek Christopher Shepherd, M.D., F.A.C.S., also referred to as "McDreamy", is a fictional surgeon from the ABC medical drama "Grey's Anatomy", portrayed by actor Patrick Dempsey. He made his first appearance in the pilot episode, "A Hard Day's Night", which was broadcast on March 27, 2005. Derek was married to Addison Montgomery (Kate Walsh) before their divorce in 2007. Before his death in 2015, Derek was happily married to his longtime girlfriend and wife Meredith Grey (Ellen Pompeo). The couple has three children together. Shepherd was formerly the Chief of Surgery at Seattle Grace Mercy West (now known as Grey Sloan Memorial Hospital) but abruptly resigned as chief in season 7 following the shooting.