The IMI Desert Eagle is a semi-automatic pistol and magnum designed by and developed by the companies Magnum Research and Israel Military Industries. It is one of the first semi-automatic pistols to be chambered in magnum ammunition rather than just being a revolver.
In Mario Warfare, the Desert Eagle is seen in the hands of Bullet Bill who uses it in a hand to hand gunfight with his enemy Toad. He shoots Toad after his opponent realizes his Heckler & Koch Mk. 23 Mod 0 is out of ammunition.