Attack on titan

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Across
  1. 3. "Attack on titan" for short
  2. 4. Erens adoptive sister
  3. 6. 60 metres tall titan
  4. 8. Main charecter that transforms into Attack Titan
  5. 9. Erens last name
  6. 10. Giant that eats humans
Down
  1. 1. What protects humans from the titans?
  2. 2. Captains of the Survey Corps name
  3. 5. The last name of the protagonist's best friend, Armin
  4. 7. What is female titans name?