Useless Knowledge and References

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Across
  1. 1. Puppet used by Bo Burnham in Netflix's INSIDE.
  2. 6. Daytona/Indy, miles.
  3. 8. Name of The Doom Slayer's rabbit.
  4. 12. Number of pets Barack Obama had at the White House.
  5. 13. Bring this to a pirate (bird).
  6. 14. First video game ever invented.
  7. 15. ___ roll.
Down
  1. 2. Nine tailed fox in Japanese culture.
  2. 3. "Pocket Monsters."
  3. 4. Ideal representing meaninglessness.
  4. 5. x³ + y³ + z³ (or the meaning of life).
  5. 6. Brought together, fission related.
  6. 7. Main character of offline game involving cacti.
  7. 8. Change, a triangle Greek symbol.
  8. 9. kicks down door to open up
  9. 10. Word used to denote communism in internet memes.
  10. 11. Number halflings can re-roll in D&D 5th edition.