How well do you know the characters?

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Across
  1. 2. Part of the big three
  2. 4. He is sneaky
  3. 6. The head of Camp Half Blood
  4. 7. A satyr who is a protector
  5. 8. He has a twin brother
  6. 9. Smart and cunning
  7. 10. The traitor
Down
  1. 1. The main character
  2. 3. The bad guy
  3. 5. Can control the dead
  4. 6. A great fighter
  5. 8. A huntress