Elon Musk shares photos of newborn son 'X Æ A-12'; Grimes decodes the name's meaning

On Tuesday, Elon Musk anunced that his girlfriend Grimes had given birth to ir first child and that y've named baby Musk 'X Æ A-12'. Later in day, he also shared a picture with his newborn son after a Twitter user requested him to share one. Elon Musk can be seen wearing an 'Occupy Mars' T-shirt as he held his newborn child.

Here's photo:

Read | Grimes speaks about boyfriend Elon Musk's impact on her life's work

He also shared a photo of baby with an eyelash and tattoo Instagram filter on his face.

Read | Musician Grimes confirms she and Elon Musk are expecting a baby

However, what has caught Twitterati's attention is unusually strange and cryptic name that ElonMusk and Grimes have decided for ir child. While y have been trying to decipher actual name, Grimes took to Twitter and decoded what 'X Æ A-12' really means. X is " unkwn variable", Æ is her "elven spelling of Ai", A-12 is "precursor to SR-17" apparently couple's favourite aircraft. A is for Archangel, Grimes' favourite song. 

Have a look:

Read | Elon Musk welcomes first child with girlfriend Grimes; anunces 'mom & baby all good'

news of baby's arrival was shared by Musk through comments on his own tweet, earlier on Tuesday. This is couple's first child toger while Musk has five children from his first wife, Justine Musk. Grimes anunced she was pregnant in January on Instagram with a topless photo of herself with a baby bump. She later deleted post and shared an edited version of same. She wrote in caption that "being kcked up is a very feral & war-like state of being."

Read | X Æ A-12 Musk: Elon Musk just 'revealed' name of his newborn son with Grimes