Captian underpants

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Across
  1. 3. author of Captian underpants
  2. 4. Troblemaker in the captian underpants series
  3. 5. Superhero in his underwear
  4. 6. 2nd part of Captian underpants 3 title
Down
  1. 1. Super baby in diaper
  2. 2. George Beard's bff
  3. 7. Jerome Horwits principal