The proton gun is a double-barrel, multi-purpose laser rifle created by the Dark Legion and the preferred weapon of Julie-Su. It can fire twin lasers from its barrels, can have a small grappling hook attached to it and also comes with a knock-out gas feature. Julie-Su typically carried it with her, but lost it on Shrine Isle during Thrash the Devil's ambush of herself and Saffron just prior to their banishment through a super-charged Warp Ring. (StH: #102, #246 KtE: #8, #13)
- The gun's design and capabilities are largely reminiscent of a weapon used by Disney-cartoon character Darkwing Duck, namely his Gas-Gun, including the grappling hook.