1983 pilot episode and title of the later renamed Scottish detective TV series Taggart Killer (TV series), a 1984 British thriller series which aired on ITV People Killer (nickname), a list of people known as "Killer" or "The Killer" Killer Brooks (born 1947), ring name of American professional wrestler Tim Brooks Killer Khan (born 1947), ring name of Japanese professional wrestler Masashi Ozawa Daniel Killer (born 1949), former Argentine footballer Tobias Killer (born 1993), German footballer Bob Konovsky (1934–1982), American National Football League player and professional wrestler known as "Killer Konovsky" Killer Kowalski (1926–2008), ring name of Polish-Canadian professional wrestler Władek Kowalski Science and technology Killer (computer), an AT&T public-access UNIX machine involved in Operation Sundevil Death receptor 5, a tumor necrosis factor receptor superfamily, member 10b, a human gene, alias KILLER Killer application or killer app, a computer program that is so necessary or desirable that it proves the core value of some larger technology Killer NIC, a network interface card manufactured by Bigfoot Networks Killer yeast, a yeast, such as Saccharomyces cerevisiae, which is able to secrete one of a number of toxic proteins which are lethal to receptive cells Other uses Killer (philately), a term for a heavy stamp cancellation mark Killer, Germany, a village in the town of Burladingen, in the Killertal valley See also Kiler, a 1997 Polish film Killa (disambiguation) Killah (disambiguation) The Killer (disambiguation) Killers (disambiguation) The Killers (disambiguation)