Vox is a Sinner demon and one of the many Overlords of Hell.Vox is the founder, owner,and CEO of the new thing called “VoxTek” he made himself,with the help of Valentino 
A technology-savvy businessman,He loves Alastor a lot,he tries to hide his feeling because he knows Alastor won’t show them back to him (he doesn’t wanna get heartbroken) he always gets jealous when Alastor hangs out with his friend,Rosie and purposely calls her “roxie” or anything to misname her.