Girl names

Lai: means Future
Origin : Chinese

I see this name fitting someone who can see the future or perhaps a girl in the future on a space ship or new planet.

LEILA (Arabic: ليلى, Hebrew: לַיְלָה, Persian: لیلا): 
Arabic name meaning "night." 
Hebrew name meaning "night" or "dark Oriental beauty.
"Persian name meaning "dark-haired."

I love the meanings of this name and it's one of my favorite names.

Boys Names

Thane
Meaning: attendant warrior
Origin English

I think Thane would be the perfect name for a warrior in a fantasy book.

Vesper

The meaning of the name Vesper is Evening Star and evening Prayer. The origin of the name Vesper is Latin. 

I really like this name. I have no idea why but I think it'd make a very good wizard/warlock name.

Ashwin

Ashwin is a common name in hindu religion mostly used in india and nepal, originating in Sanskrit. ... Ashwin means "light" in the Sanskrit language, and Ashwini is the first star that appears in the evening sky. In Thai, a variation of Ashwin, known as Asaween, means "brave knight".

I don't see this name often used in writing but I think it should because it's an awesome name.

Unisex

Addison is an English surname meaning "son of Adam". From an English surname meaning "son of ADAM". Its recent popularity as a feminine name stems from its similarity in sound to Madison. 

I know both boys and girls with this name and its one of my favorite.

Billie/Billy

Origin of the name Billie: Feminine form of Billy, a pet form of William(resolute protector).

I think Billie is such a cute girl name.