Freaks crossword puzzle

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Across
  1. 1. you have nothing to fear but math itself
  2. 4. son of Lancelot finder of the Holy Grail
  3. 6. what grim says when he is suprised
  4. 8. a source of knowledge fun and rude jokes
  5. 11. versification by the quantum mechanics means numberless sum
  6. 12. rhymes with bright and fight and right
  7. 13. the past from a male point of view
  8. 15. loyalty with an F
  9. 17. A sword with magic powers
  10. 18. another word for falling down
  11. 19. a robot like suit worn by knights of old
  12. 20. a way to improve on the human condition
Down
  1. 2. an improbable imperfect creature
  2. 3. the language of Jabba the Hut
  3. 5. where the truth serum is kept and magic carpets
  4. 7. four letter word for truth serum
  5. 9. inventing with numbers
  6. 10. shoes big enough to fit Maxwell Kane
  7. 13. the past from the point of view from a female
  8. 14. Another word for blade
  9. 16. Max's shoe size