Elon Musk and his girlfriend Grimes, 32, broke the internet when they announced they'd named their newborn son X Æ A-12. WATCH: Elon musk and grimes go public with romance at met gala What on earth does that mean?
Well, no one knows for sure but Twitter is lit with complex theories that are too much for my tiny brain to comprehend, so I'm just going to leave a condensed summary right here: Some have suggested the 'X' could come from SpaceX, the 48-year-old's rocket-building company.
Others say 'Æ' could pay homage to Grimes' hit single off her latest album, with others believe it's a complex way of writing the name 'Ash'. 'A-12' was a reconnaissance aircraft built for the CIA.