Names for a character in a book

[name_m]Hi[/name_m]. I’m trying to write a fantasy book and want a somewhat made up name for my main character, a rogue/ thief, but I don’t want them to sound retarded so… I have a few different versions of essentially the same name picked out. I want the name to sound feminine but a little bad-ass as well.
So what do you think of :
Antarri
Ontarri
Antarra
Atarria
[name_f]Atara[/name_f]

Thanks for any feedback.

[name_f]Atara[/name_f] is my favorite. [name_u]Unique[/name_u] and distinctive, without being over the top.

I would choose [name_f]Atara[/name_f], and would suggest [name_f]Keturah[/name_f]

I do like [name_f]Keturah[/name_f] but not sure if its right for my character.
[name_m]Just[/name_m] wanted to mention all the above names I was thinking of spelling with only one R but the names would be pronounced On-tar-ee for example. would using one R be too confusing?