This feminine version of the Basque name Edur is quite well used in Spain, where it has often been in the Top 100. Plus it offers some great nickname options such as Eddie or Deedee. One of the names for winter babies that's off the snowy track.

Ragnarök is a great future battle foretold in Norse mythology, which will lead to the ultimate destruction of many key deities and the rebirth of the Earth and mankind. The word is newly familiar to many thanks to the 2017 Marvel Comics film "Thor: Ragnarok".

Yu the Great founded China's first dynasty and the name went on to become one of the most popular boy names in its native country during the 2000s. In more recent years, it has been used as an element of other popular names, such as Haoyu, Yuxuan, Yuze, and Yutong.

Also spelled as Ryō, this Japanese name holds international appeal, thanks to its cool -O ending, and concise, stylish feel. Used as a unisex name in Japan and said with equal emphasis on both syllables (REE-OH), in the US, it is used predominantly on boys, and likely said as REE-o or RY-o by English speakers.

Hip new middle-name choice, conjuring up the gothic tales of Edgar Allan, and current single-named pop singer Poe. As a first name, it's radically underused, given last year in the US to only five baby boys and no baby girls.

Unusual and beautiful blue green color and name possibility, a la Cerulean.

The phonetic spelling of Eyþór, without the thorn that would trip up many English-speakers.

Tau, which rhymes with cow, is the alphabetical nickname Grimes and Elon Musk chose for their third child, Techno Mechanicus. Tau is the nineteenth letter of the Greek alphabet and a common variable in physics, biology, and mathematics. In ancient Greece, it was a symbol of life and resurrection.