Nicknames!

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Across
  1. 5. Canadian music artist whose Instagram handle is "Champagne Papi"
  2. 6. The "Iron Lady" who was the first woman to serve as British Prime Minister
  3. 8. Richard Nixon's opponents referred to him as this
  4. 9. Hollywood's golden boy John Wayne had this royal nickname
  5. 10. NBA star Giannis Antetokounmpo has this rhyming nickname inspired by his nationality
Down
  1. 1. Frontman of the E Street Band known as "The Boss"
  2. 2. Former NBA star Shaq has this gas-related nickname
  3. 3. Hockey player simply known as "The Great One" - he had 61 records when he retired
  4. 4. This legendary baseball player had the nickname "The Sultan of Swat", among others
  5. 7. "Chairman of the Board" was the first popular nickname for this best-selling singer