I have no idea of your tastes, but here are a bunch of unusual names:
Jarett (strength of his people)
Jaromil (gift of spring)
Jarith (gentle)
Jarvis/Jervais (spear warrior)
Jatila (lion)
Javier (new home)
Jelani (great, powerful)
Jemahr (beautiful)
Jemal (handsome)
Jermain (brother)
Jerome (sacred)
Jesse (gifted, wealthy)
Jianni (God's grace)
Jonah/Jonas (Dove, peaceful)
Jovan/Jovanni (God's grace)
Julian (youthful)
Justin/Justice (righteous)
Here are some more common ones:
Justin, Jonathan, Joel, Jody, Joseph, James, Jeffrey, Jason, Jay
Joshua, Jackson, Jakob, Jeramy, Jesse, Jeral, im hopeless with names try the internet :) x