Finn is a name with enormous energy and charm, that of the greatest hero of Irish mythology, Finn MacCool (aka Fionn mac Cuumhaill), an intrepid warrior with mystical supernatural powers, noted as well for his wisdom and generosity.

Kai is an internationally flexible name with many possible origins and meanings, growing in popularity in the US and a diverse range of European countries.

This spirited Gaelic classic, which became popular in Ireland via the illustrious twelfth century king Rory O'Connor, makes a highly energetic choice, now used for either sex. Rory's gender split is still trending boyward; it's one of the coolest boys' names starting with R.

Bear has suddenly lumbered onto the baby name landscape. Perhaps inspired by British adventurer Bear Grylls (born Edward Michael), first celebrity chef Jamie Oliver used it as the middle name for his boy Buddy, and Alicia Silverstone called her son Bear Blu, followed by Kate Winslet's Bear Blaize.

Kellan Lutz is the attractive young actor who plays Emmett Cullen in the Twilight series.

A name that sounds both arty and rough-and-tumble, Bastian can be used as either a short form or a stand-alone variant of elegant Sebastian. Also spelled as Bastien, Bastiaan, and Bastían, it notably appears in the German fantasy children's book, The Neverending Story , which features a young boy character called Bastian Balthlazar Bux.

Name with connotations both mystical and tragic, newly popular in Europe. For English speakers, though, this name might be ruined by its homonym ruin.

Cael is the name of the angel of the zodiac sign of Cancer and also of a warrior of Irish mythology. Its ascendance to the Top 1000 over the past decade probably has to do with its similarity to Cale and Kale (and Kyle and Cayden etcetera).

Mostly feminine, though "Office" star Rainn Wilson gives it a slight masculine twist. You might also use this as a short form of Raines.