Mom Jack Crawford, in the Hannibal Lecter book series and several adaptations Jack Frost, from the 1997 horror film Jack Frost Jack Frost, from the 1998 film Jack Frost starring Michael Keaton Jack Napier, of the main characters in the 1989 movie Batman Jack Reacher, protagonist in a series of novels by Lee Child Jack Ryan, in Tom Clancy books and film adaptations Jack Skellington, from the film The Nightmare Before Christmas Jack Sparrow, protagonist of the Pirates of the Caribbean films Jack Torrance, from the 1977 novel The Shining and its film adaptation from 1980 Jack West Jr, protagonist in a series of novels written by Matthew Reilly Television Jack Abbott, in the CBS soap opera The Young and the Restless Jack Bauer, main character in the American TV series 24 Jack Branning, in the British soap opera EastEnders Jack Carter (Eureka), in the American TV series Eureka Jack Donaghy, in the American TV series 30 Rock Jack Duckworth, in the British soap opera Coronation Street Jack Fenton, in the American animated TV series Danny Phantom Jack Geller, recurring character in the American TV show Friends Father Jack Hackett, in the British TV series Father Ted Jack Harkness, main character in the British TV series Torchwood and a recurring character in Doctor Who Jack Hodgins, in the American TV series Bones Jack Landors, in the American TV series Power Rangers SPD Jack McFarland, in the American sitcom Will & Grace Jack Michaelson, fictional character in the British soap opera, Brookside, played by actor Paul Duckworth Jack O'Neill, main character in the Canadian-American TV series Stargate SG-1 Jack Osborne, in the British soap opera Hollyoaks Jack Samuels, a corrupt detective in American TV series American Horror Story: Cult Jack Shephard, main character in the American TV series Lost Jack Spicer, villain in the American animated series Xiaolin Showdown Jack Sugden, in the British soap opera Emmerdale Jack Tripper, protagonist of the American sitcoms Three's Company and Three's a Crowd Jack Pearson, main character in the American TV series This is Us Jack the Front Loader, in the British TV series Thomas and Friends Video games Jack (Tekken), multiple characters from the Tekken series Jack (Mass Effect), in the Mass Effect series Handsome Jack, the main antagonist from Borderlands 2 Jack (BioShock), a.k.a. Jack Ryan, the silent protagonist of BioShock Mascots Jack Box, mascot of the American restaurant chain Jack in