More creative and artsy than Mario. Dario is starting to edge up the US popularity list after languishing near the bottom of the Top 1000 over the last four decades. Is that inspired by Dario's popularity in Italy, Spain, Germany, and Switzerland?

A multicultural option that's equally intriguing but more unusual than Maia. Connected to water and the ocean, it is a Top 100 choice in Spain and Puerto Rico and has been rising up the charts in France and the UK in recent years. Alternative (and equally multicultural) spelling alternative Nya has also proved popular.

Izan, pronounced with the same vowel sounds and emphasis as Ethan, ranks among the Top 20 boys' names in Spain, where it's been popular for two decades.

Juan, the Spanish version of John, is ubiquitous in the Spanish-speaking world, and is familiar internationally via such references as Don Juan and San Juan.

Romantic, and classy, this variation heats up Caroline and modernizes Carol, adding a southern accent. A popular choice in Portugal, Spain, Mexico, and Italy, it recently entered the US Top 500.

As with Guillaume (see above), Liam, Willem, and Wilhelm, everyday Williams in their own countries, Guillermo is a captivating possibility here. Giermo, Gigermo, Gijermo, Gillermo, Gillirmo, Giyermo, Guermillo, Guiermo Guilermón, Guille, Guillelmo, Guillermino, Guillo, Guirmo, Gullermo, Llermo, Memo, Quillermo.

Another astral name, this one relating to one of the largest and brightest stars in the heavens, is popular in Scandinavia and Spain, where it ranks among the Top 50 girls' names. Although still very rare in the US, we think it has serious potential to follow the likes of Luna and Lyra up the charts.

Long an extremely popular name in Spain, Iker (usually pronounced EE-kuhr in the English speaking world) is the rare Basque name that's starting to make it big in the States also, thanks to soccer player Iker Casillas. Indeed, it's been one of the fastest growing boys' names of the decade.

A sweet name with many cross-cultural ties: it's an equivalent of Jane in languages including Czech, Slovak, Dutch, German, Slovene, Catalan, Estonian, and Latvian.

Traditionally written with an accent (Álvaro), this is a well-used Spanish saint's name with a lot of flair that could definitely cross over to more general usage. It reached its peak in the United States in 1985, when it ranked Number 456. In Spain, Álvaro is a Top 20 boys' name.

Antonio is a Shakespearean favorite -- the Bard used it in no less than five of his plays, and has long been a ubiquitous classic in Spanish-speaking countries, where the nickname Tonio is also prevalent. Antonio is also among an elite group of perennially popular names in the US, where it has always been among the boys' Top 1000 since baby name record-keeping started in 1880.

Used across Europe, South America, and the US, Daniela is a popular feminine form of the Hebrew name Daniel. It has ranked in the US Top 300 since the early 90s and it's currently on trend in Spain, Portugal, Chile, Mexico, and Lativia.

Rhythmically appealing international spin on the stiff original.

Popular among Hispanic communities but also used internationally, Manuel is a name with a regal history.

Mike Tyson put a twist on his own name by naming a son Miguel. It's the first name of Cervantes, the great Spanish novelist and poet who wrote Don Quixote.

One of those names with a wide array of meanings across different cultures; it's the Lithuanian form of Anna, for instance, and William Blake used it as the name of one of his mysterious, godlike characters. But it's found major popularity in Spain, where it's just outside the Top 50. It makes the Top 10 in Catalonia, being both a diminutive of Mariona and the word for "wave".

This original form of the name -- the more familiar Sylvia spelling came later -- seems more modern now.

Luis has long been one of the most popular Hispanic names in America — it was in the Top 100 every year from 1980 to 2014, though it's dropped a bit in popularity. It's familiar, yet would add a worldly touch to a basic surname.

The streamlined Ruben is much more popular than the original Biblical Hebrew version in the US.

Ignacio, like Horacio, makes its gray-bearded English equivalent name sound positively dashing. While the Ig- beginning summons up such associations as ignoble and ignorant, the era for Ignacio and Ignatius and Iggy may be nigh.