Which handgun can fire a various size ammunition?

There are numerous handguns that will fire more than one caliber or type of ammo. The Taurus Judge will fire .410 shotgun ammo or .45 Colt ammo. Smith and Wesson has just started producing a gun similar revolver called the Governer that will fire .410, .45 Colt, or .45 ACP.

You can fire .38 special in any gun that is chambered in .357 magnum (but not vice-versa) or .44 special in a gun chambered for .44 magnum (but not vice-versa).

Also there are other types. There is a very rare revolver called the Medusa that will fire anything in the .38 or 9mm family, including 9mm Kurz (380), 9x19mm, 38 special, and .357 magnum.