The 27 most unusual rock star baby names, from Audio Science to Zuma
Grimes and her on-off boyfriend Elon Musk named their first child X AE A-Xii in 2020, it should come as no surprise that their second has an equally unusual moniker. They were hardly likely to call her Monica. In fact, Grimes - who was born as the somewhat more conventionally-named Claire Elise Boucher - has revealed that her daughter’s name is Exa Dark Sideræl Musk, or ‘Y’ for short.