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- Elon Musk and Grimes cycled through multiple names for their daughter, per Musk's new biography.
- Both wanted to call her Sailor Mars, after the anime character, before settling on Exa Dark Sideræl.
- But they contemplated changing her name to Andromeda Synthesis Story Musk earlier this year.
Elon Musk and Grimes considered changing their daughter's name to Andromeda Synthesis Story Musk this year, but didn't go through with it, according to the billionaire's new biography.