Sea.love's list "Boys names" of 3 great name ideas: Nico - Nikao!

Boys names

Nico is one of the great nickname names, full of charm, energy and effortless cool -- a neo Nick.
 Nico is commonly heard in Italy -- as a short form of Niccolo -- and also in France, Belgium, Germany, Holland and Spanish-speaking countries.
 As a unisex nickname name, Nico is associated with the German-born single-named Velvet Underground singer (nee Christa) promoted by Andy Warhol. And Nico Reilly was one of the female leads on the TV series Lipstick Jungle. But over 90% of the American babies named Nico are boys.

Nico

Geo is of ancient origin but cutting-edge modern sound. It is starting to rise in popularity, partly for its cool science vibe, and partly as a soundalike for popular Italian diminutive Gio.
Geo is also a traditional written short form for Geoffrey.

Boys names

The names

Nico

Geo

Nikao