Neil Patrick Harris (born June 15, 1973) is an American Golden Globe and Emmy-nominated actor. Notable roles in his career include the title character of "Doogie Howser, M.D.", Barney Stinson in "How I Met Your Mother", Col. Carl Jenkins in "Starship Troopers", "Dr. Horrible" of the web series "Dr. Horrible's Sing-Along Blog", and as a fictionalized version of himself in "Harold & Kumar Go to White Castle", Host From Genius Junior and the sequel "Harold & Kumar Escape from Guantanamo Bay".