Benjamin Schwartz (born September 15, 1981) is an American actor, voice actor, comedian, improviser, writer, director and producer, who portrayed Jean-Ralphio Saperstein on the NBC sitcom Parks and Recreation, Clyde Oberholt on the Showtime series House of Lies, voices Dewey Duck in the DuckTales reboot and appears many times in the CollegeHumor web series Jake and Amir.
For Nickelodeon, he voiced Leonardo in Rise of the Teenage Mutant Ninja Turtles, Coach Freebird in Pinky Malinky, Lord Crater in the Rugrats episode "Final Eclipse", and Uncle Steve in the Wallykazam! episode "The Big Goblin Problem"