Harris Wittels

Aziz Ansari says the loss of his friend Harris Wittels has left him devastated ... and the touching tribute he penned for the "Parks and Rec" exec who died this week is heart breaking. Ansari posted a lengthy blog Friday night where he revealed the two had been working on a project together, and…

Harris Wittels, one of the executive producers of "Parks and Recreation" died at his home Thursday from a possible drug overdose ... TMZ has learned. According to law enforcement sources ... Wittels was pronounced dead around 1 PM. We're told the 30-year-old was found lying on his couch ... and…