Christopher Peter Meloni (born April 2, 1961) is an American actor. He is known for his television roles as NYPD Detective Elliot Stabler on the NBC police drama Law & Order: Special Victims Unit for its first twelve seasons and as inmate Chris Keller on the HBO prison drama Oz. In June 2012, he returned to HBO, as the vampire Roman on the main cast of True Blood for the series' fifth season. Meloni is currently starring in and is an executive producer of Happy!, based on the comic book series created by writer Grant Morrison and artist Darick Robertson. The series premiered on Syfy on December 6, 2017.