Class 1A names (clues are quirks)

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Across
  1. 2. One for All
  2. 6. Tail
  3. 10. Dark shadow
  4. 11. Dupli-Arms
  5. 12. Tape
  6. 13. Pop Off (Everyone hates him)
  7. 14. Acid
  8. 16. Earphone Jack
  9. 18. Navel Laser
  10. 19. Engine
Down
  1. 1. Frog
  2. 3. Hardening
  3. 4. Invisibility
  4. 5. Anivoice
  5. 7. Electrification
  6. 8. Creation
  7. 9. Erasure
  8. 10. Half-Cold Half-Hot
  9. 11. Sugar Rush
  10. 15. Zero Gravity
  11. 17. Explosion