Elon Musk
Elon Musk is CEO of Tesla.
  • Elon Musk mentioned Warren Buffett, Nvidia, cyborgs, and "Game of Thrones" on Tesla's earnings call.
  • The Tesla CEO said he loves his loyal retail investors, but warned them against margin trading.
  • Musk is worried about rising credit-card debt and the bewildering economic backdrop.

Elon Musk touched on everything from cyborgs and "Game of Thrones" to Nvidia and Warren Buffett during Tesla's second-quarter earnings call on Wednesday.