Elon Musk's girlfriend Grimes has given birth to their first child together whose name is *brace yourself* “X Æ A-12 Musk”. Can't pronounce? Us neither! The Tesla CEO Musk confirmed that Grimes had given birth to a baby boy, tweeting: “Mom & baby all good.” He also shared a picture of the little one by digitally editing the term "Savage" on it.