Are you referring to Jiska? Because Noyb should be obvious :P

I used to have a fascination with where names "came from", and "Jiska" is supposedly the original form of "Jessica". I liked the sound of it.

Then again, I usually just stare blankly into nothing for 2 minutes, till a name comes to my mind that I haven't used before. Or I use something super smart and meaningful to the story. Really depends.