Ghosts:
Ghost Story
The Lady in White
The Frighteners
Poltergeist
House
Beetlejuice
Ghostbusters
Zombies:
Shaun of the Dead
Night of the Comet
Vampires:
Fright Night – both versions
Lost Boys
Buffy the Vampire Slayer
Love at First Bite
Witches:
Witches of Eastwick
Practical Magic
Matilda
Bell, Book and Candle
Monsters:
Tremors
Gremlins
The Mummy
Everything else:
Van Helsing
All of the Harry Potter Movies
Rocky Horror Picture Show
The Addams Family
Donnie Darko