Phineas and Ferb

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Across
  1. 4. Perry wears a .... on his head
  2. 5. Their mother is in the...
  3. 6. Phineas and Ferb's invention
  4. 7. Phineas and Ferb sit under a ...
  5. 8. Phineas and Ferb's pet
Down
  1. 1. The instrument Ferb plays
  2. 2. Phineas and Ferb's sister
  3. 3. Phineas and Ferb's girlfriend