Kirashi could be interpreted as killer of death, or a killer who brings death, "kira" meaning "killer", and "shi" meaning "death.
meat
Happy Face Killer - 2014 TV is rated/received certificates of: USA:TV-14
Happy Face Killer - 2014 TV was released on: USA: 1 March 2014
natural death
happy feet
American Justice - 1992 The Happy Face Killer was released on: USA: 10 March 2004
happy
Unusual Suspects - 2010 The Happy Face Killer was released on: USA: 2010 USA: 30 August 2010
killer bee all day
dark is Gaelic/Celtic and killer is from the anime death note and that is just how killer is pronounced in Japanese
In the 1979 film Death Car on the Freeway, the killer is never shown. Several stunt drivers played the killer but none of them are credited.