The Dog Days Are Comin'

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Across
  1. 5. The Nixon family's pup
  2. 7. leader of the Muttnik missions
  3. 8. Perdita's love interest
  4. 9. He made a journey homeward
  5. 10. Roy Rogers' Wonder Dog
Down
  1. 1. Snoopy sporting shades
  2. 2. "Semper Fi!"
  3. 3. Chuck told em to roll over
  4. 4. the title canine of a Jack London novel
  5. 6. One of Andy's favorite toys