But on Tuesday night, Grimes seemingly confirmed that it's the baby's real name, breaking down the unusual name's meaning:
This reply to her tweet honestly says it all:
Update: Grimes talked more about the name on Twitter:
Elon also corrected the aircraft's name, so that clears up doubts from people who thought it was all an elaborate joke because the aircraft wasn't right:
Well, at least no other kid in the world will have the same name!