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* AwesomeMusic: [[http://www.youtube.com/watch?v=Tq4GdBfLjsg The main theme]] is considered one of the most bone-chilling pieces ever put on screen.
* CompleteMonster: Michael Myers, a cold-blooded SerialKiller with a hatred of teenage sexuality and a fondness for carving knives. After killing his sister at the [[EnfantTerrible age of six]], Michael breaks out of prison as an adult and goes on a killing spree through his hometown of Haddonfield, on his way to kill his [[CainAndAbel surviving sister]], murdering three of her friends before targeting her. He's stopped, but the horror doesn't end there. Michael returns repeatedly, making numerous attempts on Laurie, her [[RevengeByProxy daughter Jaime]], and anybody else who gets in his way. Incapable of feeling empathy, and driven by a loathing of seemingly everybody he encounters, the [[ImplacableMan unstoppable]] and [[SilentAntagonist perpetually silent]] Michael helped to define the SlasherMovie as we know it, and remains one of the most bone-chillingly evil.
* EvilIsSexy: When he's unmasked, Michael is surprisingly attractive.
** Naturally, [[KillItWithFire after the events of the sequel,]] his face is never clearly seen again.
* {{Narm}}: Laurie runs across the street with Michael stalking her. She runs up to the door of the house and reaches into her pocket to find the keys. Her line?
--> '''Laurie:''' ''The keys?'' '''''THE KEEEEYS?!'''''
** The theme is a bit overplayed in the beginning of the movie as well.
* NarmCharm: The film has equal measures of IdiotPlot and PurpleProse, but MundaneMadeAwesome RuleOfScary overshadows them so much that they're all excused.
* RetroactiveRecognition: Michael Myers' actor, Nick Castle, would become a director and made films such as ''TheLastStarfighter'' and ''ComicStrip/{{Dennis the Menace|US}}''.
* SeinfeldIsUnfunny: Even though Michael Myers came first, in the later sequels, he ends up seeming like a rip-off of [[Franchise/FridayThe13th Jason Voorhees]]. Also since all the cliches ''Halloween'' created (or in some cases popularized) have now become cliches they are no longer frightening.
* SpecialEffectFailure: When Michael smashes one of Marion's car windows, he obviously has a wrench taped to his hand.
* ToughActToFollow: Subverted with John Carpenter. Most of his films released afterward (''Film/TheThing1982'', ''Film/EscapeFromNewYork'' and ''Film/BigTroubleInLittleChina'' among them) were not critical or commercial successes but have had second life on home video and cable going on to become classics and VindicatedByHistory. ''Film/TheThing1982'' in particular is now considered a heavy contender for his best film.
* UnpopularPopularCharacter: Guess who. Everyone in the film hate/fear him, [[SerialKiller for obvious reasons]], but he is incredibly popular in the fandom.

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