Mountain names such as Everest and Denali are being used more frequently, but Mountain itself was unknown until Hunger Games star Jena Malone used it as a middle name for her son Ode Mountain. And really, why not? It's one of the most unique baby names in the hot nature category.

Other wild animals like Fox, Wolf and Bear are catching on as baby names, and Tiger is a rarer option with several famous namesakes, including golf champ Tiger Woods, who was born Eldrick. Other famous Tigers include Indian actor Tiger Shroff, born Jai, and British actor Tyger Drew-Honey, who spells his name with a Y.