Japan and other stuff

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Across
  1. 2. Grass type Starter Pokémon of the Johto region
  2. 6. Cuphead's brother
  3. 7. Plural for antenna
  4. 9. Shorter version of the Katana
  5. 11. The majestic dude that looked like he was in charge but wasn't
  6. 12. First letter of the Greek alphabet
Down
  1. 1. The dude that was actually in charge instead of the emperor
  2. 3. Last three letters of the sword often used by samurais
  3. 4. The last three letters of a popular sports drink
  4. 5. Pokémon type strong against water, rock, and ground
  5. 8. Capital of Japan
  6. 10. Company that made iPhones