Elon Musk and his musician girlfriend Grimes, real name Claire Boucher, registered their baby's name as X AE A-XII and there is a birth certificate to prove it.TMZ obtained a copy of the child's birth certificate, which shows his first name listed as X, the middle name as AE A-XII, and the family name as Musk.
The couple really went with the aeronautic name despite the fact that the public has expressed confusion and wonder.Musk and Grimes initially wanted to register their child's name as X AE A-12, but they had to change it to comply with California laws.
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