Hitman

"Hitman" can refer to the following:

  • Hitman, the video game series.
  • Hitman, the film based on the game series.
  • Hitman: Agent 47, another film based on the game series.
  • Hitman, the unrelated comic series.
  • Hit Man, the also-unrelated game show

For the concept as a trope, see Professional Killer.
http://tvtropes.org/pmwiki/pmwiki.php/Main/Hitman