Dr Bruce's Cryptic Crossword

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Across
  1. 7. Athletic beans heard
  2. 8. - My queen's forename
  3. 10. Usually the best, the first time round
  4. 13. Sounds like this'll hurt
  5. 14. Russian writer found in Zagreb’s go-go lounge
  6. 15. Sight of agreement
  7. 16. Who?
  8. 19. Alastair's clan, tartan soup
Down
  1. 1. Wicked bears flip when mistaken for the wrong tribe
  2. 2. Dr. Bruce's arch nemesis
  3. 3. T-rex & co are lost in the algorithm
  4. 4. Funky canines travel as one
  5. 5. This sounds sweet, let's preserve it
  6. 6. A bear will always find its way home
  7. 9. 10x, can you believe it?
  8. 10. Mr. Lightman's arch nemesis
  9. 11. Dan B is a certified Bad B, so cold
  10. 12. The best on Everest hears chilly winds
  11. 17. A scramble of fun for the carefree ie. Child
  12. 18. The best use of £5