According to the command tipline there have been conflicting reports of Grandma being spotted with a variety of tv and film icons. To conceal the information from John command has sent their names in this coded form please solve it to reveal their locati

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Across
  1. 4. She was seen sitting on this iconic chair with an ironing board and iron after getting confused about its purpose
  2. 5. Grandma was seen using this hero's lasso to find the true recipe for the perfect McDonalds coffee
  3. 8. Grandma was seen playing quidditch with this scarred wizard
  4. 9. It's thought that grandma and this man serenaded strangers during a downpour recently
  5. 10. Grandma is thought to have shared a marmalade sandwich with this Peruvian icon on a bench
  6. 11. Grandma was seen sitting next to this often quiet and always clumsy man on a bench
Down
  1. 1. She was spotted blaming this due for a fine mess they'd made nearby
  2. 2. Grandma was seen stealing a carrot from this Warner Bros mascot for her Sunday dinner
  3. 3. Grandma was seen explaining to this silent film star that her eldest grandchild had no idea who he was
  4. 6. A tipline caller was said to have seen grandma helping this billionaire vigilante up to turn off his mammalian signal
  5. 7. She was seen offering grandma a spoonful of sugar