The Illudium Q-36 Explosive Space Modulator, sometimes known as "Illudium PU-36", "Aluminum PU-36 Explosive Space Modulator", "Aluminum PU-36" or "Uranium PU-36", is a planet-killing laser cannon created by Marvin the Martian who plans to blow up Earth via Martian dynamites of the same names that fuel this powerful device. This recurring item is featured in the Looney Tunes cartoons.
This machine would used on Marvin the Martian many times which has his plans thwarted due to the comedic actions of Bugs Bunny.
In Loonatics Unleashed, a powerful dynamite-like machine called the "Uranium PU-36 Explosive Space Modulator" was by Melvin the Martian also attempted to blow up Ace Bunny with a Uranium PU-36 Explosive Space Modulator (his ancestor Marvin the Martian used an Aluminum PU-36 Explosive Space Modulator) but got his helmet blown off instead after arguing with him over who would get it. Ace, along with his fellow Lonnatic teammates Danger Duck, Rev Runner, and Slam Tasmanian rescued Lexi, restored Acmetropolis, and defeated Melvin who escapes with his dog Sergeant Sirius.