Though to most Americans Viggo is a one-person name attached to intense actor Mortensen, it is actually an old Norse name dating back to the Vikings, and is currently the 32nd most popular appellation in Sweden. Viggo Mortensen is a Jr., sharing his name with his Danish father.

A name that has a bit of a shouldn't-I-be-a-middle-name sound, though still in use as a first for both genders. Lee might be a good choice if you want something that sounds at once traditional yet modern, unisex but not newly-minted.

Jonas has a slightly more grandfatherly image than the English version of his name, but that only adds to its retro appeal. And though it may lag behind Jonah in this country, Jonas is riding a huge wave of popularity in Europe, where it ranks highly in Germany, Switzerland, Austria and Norway.

This unpretentious, accessible, and optimistic ("everything's jake" -- meaning OK) short form of the top name Jacob is itself widely used, though more parents these days are opting for the full name Jacob. Jake (born Jacob) Gyllenhall is its most prominent current bearer.

Your friendly next-door neighbor...not your baby. Although Larry was once one of the most popular boys' names starting with L, that title now belongs to Liam.

Sean, after a long reign as one of the top Irish boys' names in the US, has now slipped as parents look to fresher Irish choices such as Liam and Aidan. In Ireland, Sean is still highly popular, but variation Senan, an Anglicized spelling of diminutive Seanan, is also stylish in Ireland. While Sean is the Irish form of John, Seanan and Senan may be thought of either as Sean diminutives or relatives of the Latin word "senator".

An English surname name, Bradley has a long history, dating way back to at least 1086, but as a first name it actually succeeded in the US before it reached England--though Dickens used it in his novel Our Mutual Friend. Bradley Cooper is one namesake.

Always the top spelling of the name; Neil peaked in the 1950s, but then enjoyed a second coming following the fame of such Neils as astronaut Armstrong and singers Sedaka, Diamond, and Young. Now semiretired.

This name is a classic example of an underused golden oldie that ticks so many boxes - unusual yet traditional, heaps of cute nicknames, a statement name that exudes retro cool. Aloysius is the Latin form of many more common names like Louis, Luis, Luigi and the uncommon but symphonically familiar Ludwig.

Benson has outgrown its long association with a wisecracking TV butler with a fresh new association: singer songwriter Benson Boone. Parents may see it as an alternate route to nickname Ben, very different in image than the biblical Benjamin or the Latin Benedict, and more in tune perhaps with stylish with Bennett.

Best known as a popular brand of Western hats, this surname gives off rugged, cowboy vibes and a sense of confident coolness. A name on the rise, Stetson entered the US Top 200 in 2023 when it was given to nearly 2000 boys.

Marius, frequently heard in Germany and France, is a slightly fusty yet accessible name that has (Les Mis) to Anne Rice. With the rise in interest in such Latin names as Maximus and Atticus, Marius might start attracting more attention. Mario, the Italian, Spanish and Portuguese version of Marius, is much more widely used.

The original Pip was the main character in Great Expectations (full name Philip Pirrip). Cute for a tike, maybe too cute for an adult.

In the early 1990s, Cody was in the Top 25 most popular boys' names in the USA; but it has been in decline since then. It retains a greater degree of popularity in the UK, however. Cody might be short for Dakota but despite its nickname feeling, it's a name of its own.

Pleasant but uninspired surname name somewhat connected to writers Ellison and Coben. After three decades off the US Top 1000, it reentered in 2013, maybe because it's an unusual example of the trendy class of two-syllable n-ending boys’ names. Kevin Harlan is an NFL, NBA, and college basketball announcer for TV and radio.

Just the kind of casual, flippant nickname that upscale Brits are putting on their sons' birth certificates, but few U.S. parents are.

Once a cavalier Mississippi gambler type name, Chance has entered the mainstream since being endorsed by such celebrity dads as Larry King and Paul Hogan. Chance the Rapper has also boosted the name's popularity.

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.

Emmanuel--spelled with one or two 'm's'-- was popular with early Jewish immigrants, until overused nickname Manny caused it to fade. Now, this important biblical name is being revived in its full glory.

Vladimir is a cultured and deep-rooted Slavic name associated in this country with cultural figures including piano virtuoso Vladimir Horowitz and the author of Lolita, Vladimir Nabokov.