That's like a popular 2000's era username.

xXxSpaceXAixX

xXxSpaceXAIxX: Return of Xander Cage

Musk pulls a Howard Hughes and goes into Hollywood producing just to bring back that franchise, just just for the letter X.

Very on-brand for a Halo 2 lobby circa 2005.

or the name of Elon and Grime's actual child

Don't give him any ideas.