Elon Musk announces that the male character of Grok is named Valentine, derived from "Stranger in a Strange Land"

Elon Musk tweeted that the male character in Grok's humanoid companion will be named Valentine. The name comes from the protagonist in Robert A. Heinlein's novel "Stranger in a Strange Land." He added that the word Grok itself comes from the novel, meaning "to understand something deeply and empathetically." [ChainCatcher]