Random characters crossword!

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Across
  1. 5. He always wants to steal the formula...
  2. 6. He eats too much spinach...
  3. 7. Find another pawprint, that's our second clue...
  4. 8. It's on like ________!
  5. 9. He always saves the princess...
  6. 10. He is the robot off of Futurama...
  7. 12. His earliest form is in the public domain now...
Down
  1. 1. What are you doing in my swamp!?!?!?!?!!?!?
  2. 2. Ash Ketchum's faithful companion...
  3. 3. Ehh, What's up, doc?
  4. 4. Who lives in a pinapple under the sea...
  5. 5. Bird bird bird, bird is the word...
  6. 11. He is the red furry monster off of sesame street...