Jess or Jay come to mind.
Jesse Ranney goes by Jesse James.
Jesse Lorenzo goes by Jess.
Jesse Sinopoli goes by Jess.
Jesse Shoemaker goes by Skippy.
George Jesse goes by JC.
Jesse I Ettinger goes by Jesstator.
Jesse Coulter goes by JAC.
Jesse Cowell goes by Jeskid.
Jesse Stevenson goes by Mookie.
Jesse Springer goes by J.
Jesse Ricketts goes by Cricketts.
Jesse Gavin goes by Tito.