Samuel Leo "Sam" Fisher is the main protagonist and player character of the Tom Clancy's Splinter Cell series of video games, novels and comic books developed and published by Ubisoft and endorsed by Tom Clancy. Fisher was created by writer JT Petty and designed by character artist Martin Caya. He was initially voiced by veteran actor Michael Ironside in all the Splinter Cell games from the first to Conviction. In Splinter Cell: Blacklist, Eric Johnson provided the necessities.