Niccolai's Birthday Weekend

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Across
  1. 2. Birthday sign
  2. 5. Aquatic hitchhiker
  3. 7. Mr._____
  4. 8. Cornhole
  5. 9. Percussion audience
Down
  1. 1. Mercuri poisoning
  2. 3. Frank, Dr.
  3. 4. Newspaper puzzle
  4. 6. Guy in the sky