Halloween time!

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Across
  1. 1. Witch's favourite mode of commute. (5)
  2. 4. Casper is a? (5)
  3. 5. A witch's best friend (3)
  4. 6. I brew potions. Who am i? (5)
  5. 7. i spin webs (6)
  6. 9. you collect this when trick or treating (5)
Down
  1. 1. A flying mammal (3)
  2. 2. A wizard would cast this spell. (5)
  3. 3. Frankenstein is a ? (7)
  4. 8. You make me into a Jack-O-Lantern (7)