Timothy V. Murphy is an Irish actor who plays the role of Gaalen O'Shay on the FX original series Sons of Anarchy. Making his debut on the episode "Kiss" in the series' fourth season, Timothy plays the role of a leading True IRA member. Known as the "Butcher of Belfast", he was a senior member of the council in Belfast, known as the Irish Kings, and is involved in weapons trafficking with SAMCRO. Playing a recurring role through the series' fourth, fifth, and sixth seasons, he was one of the two main antagonists of Season 6 (the other being Tyne Patterson), and met his demise on the episode "Aon Rud Persanta", in the same season.