Nico is one of the great nickname names, full of charm, energy and effortless cool -- a neo Nick.

Caius is classical and serious but also has a simple, joyful quality. There was a third century pope named Caius, as well as an early Christian writer, several Shakespearean characters, and a Twilight vampire. We would pronounce the name to rhyme with eye-us though at Cambridge University in England, where it's the name of a college, it's pronounced keys.

Elena is at its most popular point ever in the US, thanks to its cross-cultural appeal and the overall popularity of El- names. It's more international than Ellen or Eleanor, but still accessible.

Lucia is a lush, rich Latinate equivalent of Lucy, popular in Spain and throughout Latin America and also a cross-cultural favorite. You might be surprised to know that Lucia has ALWAYS ranked among the Top 1000 girl names in the US, though she's really taken off only since the turn of this century.

Latinizing Lawrence gives it a whole new lease on life. Like Leonardo, Lorenzo has been integrated into the American stockpot of names, partly via actor Lorenzo Lamas. Other associations are with Lorenzo de' Medici, the Florentine Renaissance merchant prince and art patron, Renaissance artists Ghiberti and Lotto, and the upstanding young man who married Shylock's daughter Jessica in Shakespeare's The Merchant of Venice.

Madonna did much to polish up the image of this old-neighborhood Italian choice when she picked it for her son with British director Guy Ritchie, and several years later it was also used by Rose Byrne and Bobby Canavale for their son. It now feels much more mainstream than many celebrity baby names, sharing the quirky appeal of some other so-far-out-they're-in baby names as Bruno and Hugo.

This pretty sea-born name was used to dramatic effect by Shakespeare in his play Pericles for the virtuous princess who says she is "Call'd Marina, for I was born at sea."

Manon is an endearing French pet name for Marie or Marianne; it has the international yet straightforward feel that makes it a viable import. Manon of the Spring was a gorgeous French film, Manon Lescaut a 1731 novel by Abbe Prevost, set in France and Louisiana, that was controversial in its day. It formed the basis of operas by Puccini and Massenet, and several films and TV series.

Mariana is that unusual name that is more than the sum of its parts. While Mary or Maria and Ana or Anna are both perfectly nice classic names, Mariana achieves a lyrical elegance that transcends them.

An operatic Italian option via South Pacific star Pinza, one of several Italian names currently hot in France. Ezio is the Italian form of the Greek name Aetius.

While substituting a C for a K is a modern trend, Erik is in fact the traditional spelling of the name, derived from the Old Norse Eiríkr and introduced to the English speaking world in the Anglo-Saxon period. Now, Erik is popular in Scandinavia and throughout much of Central and Eastern Europe, where it ranks in the Top 100 in Germany, Slovenia, Hungary, and more.

Esmeralda came into use as an applied use of the Spanish word for emerald, esmeralda. In the 1831 Victor Hugo novel Notre-Dame de Paris, also known as The Hunchback of Notre-Dame, the heroine was born Agnes, but called La Esmeralda in reference to the jewel she wears around her neck. The name Esmeralda got increased visibility via the Disney version of the story.

Three syllables in only four letters is quite a feat, but that's exactly what you get with Ilia, a versatile, unisex option with various origins. It could derive from the Greek Iliana, which could denote someone from Illium, or it could be a feminine form of Ilian, a form of Elijah. Alternatively, it is a Basque form of Julia, or a Bulgarian feminine form of Ilya, with again links back to Elijah. Currently a gender neutral option in the US, it may be exclusively masculine elsewhere.

This ancient Roman family name, first borne by the distinguished Marcus Claudius Marcellus and later by two popes, is a possibilty in the hot new category of names from antiquity.

Widely heard in both Italian and Spanish households, Sergio and his many international brothers are rooted in Sergius, one of the original Roman family names. The meaning is unknown, but possibly is related to servant or protector.

A midcentury Catholic classic that's not chosen by many parents today. Leonard Cohen fans might think of the beautiful song So Long, Marianne, named for his lover and muse Marianne Ihlen.

Alisa is variation of Alice with a touch of international flair. Used in Russia, Ukraine, Georgia, Estonia and Poland, it is also familiar in English speaking countries too. As a Hebrew name, Alisa has a bright, cheerful meaning, that adds another layer to the name.

Romantic name used throughout Europe, though sure to lead to pronunciation problems here. Though it's never been too widely used in the US, it's quite popular in Switzerland, France, Austria, and Romania.

Gilda, although related to the words gold and gilded, has definitely tarnished. It once shimmered with the seductive image of Rita Hayworth in the film Gilda, then was associated with the beloved early Saturday Night Live star Gilda Radner. In opera, Gilda lives on as the name of the daughter of Rigoletto.

Simple and universal, Marco is a Latin classic that would make a much livelier namesake for an Uncle Mark. It was used for her son by actress Jill Hennessy and goes well with surnames of any nationality.