It'sa me, Crosby's Mario Puzzle

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Across
  1. 5. Super Mario 3D World's final boss
  2. 7. Known for his flutter kicks and big appetite
  3. 9. Before Mario was Mario
  4. 12. Introduced in Super Mario Galaxy
  5. 13. This explosive enemy is a little wound up
  6. 15. Sharp-stemmed enemy
Down
  1. 1. Rainbow-haired koopaling
  2. 2. What makes Mario brown and cuddly
  3. 3. _____ Dojo
  4. 4. Mario's zigzag moustached rival
  5. 6. He might ghost you
  6. 8. For making snowballs in summer?
  7. 10. Final world in Super Mario Bros U Deluxe
  8. 11. Busts a move when his jobs are done
  9. 14. Sweet obstacle on the race track