Walter's Impossible Identity Crossword

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Across
  1. 3. I play this sport
  2. 7. Where I came from
Down
  1. 1. A martial art that Paddy will know
  2. 2. Everybody says I am
  3. 4. A fast food restaurant with a mascot
  4. 5. A succesesful Russian classical composer
  5. 6. A subject I am good at