What Creature Am I?

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Across
  1. 2. Largest Sea Mammal
  2. 3. Similar to a Lion But With Stripes
  3. 6. King of The Jungle
  4. 8. Flat Fish
  5. 12. No Arms Nor Legs; Hisss
  6. 13. Good With Old Bay; Claws
  7. 14. Long Trunk & Tusks
  8. 15. Man’s Best Friend
Down
  1. 1. I Build Dams
  2. 4. Long Long Necks
  3. 5. Beaks, Wings & Feathers
  4. 7. Used to be A Caterpillar
  5. 9. Long Ears & Hops (Peter)
  6. 10. Purrrrr & Meow
  7. 11. Half Fish Half Human
  8. 12. Pepe La Pew