1. R5-D5
  2. 1099-K
  3. BB-8
  4. WA-7
  5. W-9
  6. C-3PO
  7. 4-LOM
  8. 1098-T
  9. L3-37
  10. 1099-NEC
  11. 2-1B
  12. 0-0-0
  13. 1040A

2, 5, 8, 10, 13: Tax forms
1, 3, 4, 6, 7, 9, 11, 12: Droids