'Sarah Marshall' Bartender -- Hired Muscle in Hollywood

He could name over 200 kinds of fish in " Forgetting Sarah Marshall " -- but now, the guy who played the sage bartender is working the midnight shift serving up whoop-ass ... at a Hollywood nightclub. 30-year-old actor Da'Vone McDonald is currently a part-time bouncer -- working Friday and Saturday nights Glee: The Complete second Season at Tru Nightclub ( below ) -- and based on the pic, the gig comes with some sweet benefits. No worries ... Da'Vone -- who has also appeared in two