A brief history of Elon Musk's pets, including a 'nasty' Yorkshire Terrier, a cat -- and a hedgehog too

Elon Musk, the world's richest person, shares his life with a variety of pets, including dogs like Floki the Shiba Inu, Gatsby, and Marvin the Martian, as well as a cat named Schrödinger and a hedgehog named Shrub.