Any uncommon unique boy names?

Myriam • Pregnant with #2!!! 🤰🏻 👧🏼👶🏼10/28/19

If I have a boy I decided on Elias as the name. I just don’t know what middle name to use that will sound good with it. I want it to be unique lol

I already have girl names and middle names in mind that’s why I ask.