Elon Musk with his baby boy, who is named X Æ A-12 Musk. Twitter / Elon Musk 
Elon Musk with his baby boy, who is named X Æ A-12 Musk. Twitter / Elon Musk 

Elon Musk and Grimes reveal how to pronounce baby's name X Æ A-12 and what it means