Puzzling Toons

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Across
  1. 3. A boy genius who conducts advanced experiments in a secret laboratory but has to constantly worry about his nosy sister.
  2. 4. The wrist device that Ben10 uses on his alien adventures.
  3. 6. A samurai warrior who fights the evil wizard Aku from becoming the master of the universe.
Down
  1. 1. Dressed in red, blue and green, these mischievous triplets are Donald Duck's nephews.
  2. 2. The fast food restaurant under the sea does SpongeBob SquarePants works for.
  3. 5. A mad scientist chimpanzee who is the greatest enemy of the Powerpuff Girls.