Singer Grimes has revealed the meaning behind the unique name of her newborn son with Tesla and SpaceX CEO, Elon Musk.

Musk announced the birth of their baby boy in a post on Twitter Tuesday, telling a fan that they had chosen to call him X Æ A-12 Musk.

Memes around the choice of moniker came thick and fast with many members of the online community wondering how it was pronounced.