Birthday Surprise Adventure

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Across
  1. 2. Batman portrayer's first name.
  2. 4. Fall Out Boy's Lead Singer’s birthdate.
  3. 6. Showers month in spring.
  4. 7. Retro tunes' mechanical maestro.
Down
  1. 1. Legendary figure of Old West folklore.
  2. 3. Al Capone's stomping grounds.
  3. 5. Protagonist in a rock opera; pinball wizard.