It's Always Sunny in Philadelphia
2005
Paul Jeffrey Byrne (born December 15, 1974) is an American film and television actor and comedian. He is best known for his roles as Nicky "Rugrat" Koskoff in the Martin Scorsese film The Wolf of Wall Street (2013) and Bolin on Nickelodeon's animated series The Legend of Korra (2012–2014). Wikipedia