Short, sharp, and cool, Jett is a contemporary choice that connotes both gemstones and jet engines. Rarely used before the 90s, John Travolta, and then George Lucas, helped to put the name on the map by choosing it for their sons.

Nash is an English surname whose sound puts it right in step with currently trendy names like Cash, Dash and Ash. It first came to prominence via TV character Nash Bridges, portrayed by Don Johnson in the late nineties, and also via mathematician John Nash, played by Russell Crowe in the acclaimed film A Beautiful Mind.

Hunter has been dropping a bit for the past few years but is still one of the leaders of a distinctive band of boys' names that combines macho imagery (Hunter, Austin, Harley) with a softened masculinity. Hunter was for years attached to gonzo journalist Hunter S. Thompson; Josh Holloway used it for his son.

No longer tied to the hapless Ace Ventura, this jaunty, high-flying nickname name is starting to take flight among celebrity and other parents, with its countless positive references to doing well in tests and poker games, on the tennis court and golf course, and in the air.

Six Feet Under transformed Nate's image from crusty uncle to cool guy. Nate is one of a new generation of nicknames that go directly on the birth certificate. Other similar names: Sam, Jack, Mack. But Nate is arguably fresher and cooler than many nickname-names.

Guns 'n' Roses musician Axl (born William) Rose created this name by dropping a vowel, a la Barbra Streisand. The traditional Axel is more popular, though celebrity parents Fergie and Josh Duhamel deliberately chose the Axl spelling to honor her rock hero.