In Shakespeare's The Tempest, Caliban is the name of the deformed son of a witch: not the greatest literary reference for a child. But Caliban does have an appealing international-yet-accessible feel and a rhythmic sound. As long as nobody knows its origin, it might make a great name for a boy or even a girl.

Kali is a popular girls' name in the US with dark origins: She is the Hindu goddess of death and destruction, though we'd wager many parents see the name as simply a respelling of Callie.

Variant of Nyx or Nixie

Sullivan has made itself into a first name and O'Sullivan may well follow suit.

Created by English poet Alexander Pope for a melancholy sprite in the 1712 poem The Rape of the Lock. He likely took the Latin word umbra "shadow". A moon of Uranus is named after the character.

Old-man name, soft as a fraying gray cashmere cardigan, that would be even cuter for a girl.

A common Irish surname that's seldom heard as a first name, but has an appealing meaning.

More modern and alluring than Silver, Argenta is one of the few mineral/metal-related names.

Kalika derives from the name of Kali, the Hindu goddess of destruction. It appears in the book series The Last Vampire.

Featured in several anime series, including Black Clover and To Love-Ru.

A bright, optimistic Indian boy name that is occasionally used in the US.

Compact, to-the-point surname name. Bear in mind the stock-market association - it may be a bit much with the last name Jones.

Maroochy Barambah, an Australian singer, brought this name into prominence in Australia.

Variant of Blake, borne by the great jazz drummer Art Blakey.

Makes Donna into a cool twenty-first-century unisex Irish surname.

Étienne de Silhouette (1709–67), French author and politician, gave his name to this portraiture technique – although, strangely, no one knows why.

This royal Tahitian name was borne by four kings and a queen of Tahiti. It was created after a royal baby died of a night cough, perhaps not the happiest meaning.

Israh which is also spelled Isra is a gender-neutral Muslim name.

Another name for the element Mercury. Quicksilver is also the alter-ego of X-Men and Avengers character Pietro Maximoff.

The unusual Q initial gives this name an air of mystery.