Elon Musk & Grimes Welcome 3rd Child, Techno Mechanicus

In the realm of strange celebrity baby names, this one takes the cake. Elon Musk and Grimes secretly welcomed their third child together, Techno Mechanicus, according to a new biography about the Tesla founder by Walter Isaacson. To make matters easier, they’ve reportedly nicknamed him, “Tau.” He follows Musk’s other children with Grimes, son X AE A-XII (“X”), 3, and daughter Exa Dark Sideræl (“Y”), 1. Musk also shares six other children with with ex-wife Justine Wilson.