This Glock 21 .45 caliber handgun has been modified to look like a DeWalt cordless drill. There's even a place to mount a drill bit. The gun can't drill a hole, but it can make one through other means.
Link -via Say Uncle | Photo: Allen Arms
UPDATE 6/21/12: Here's more information. The gun was made by Mark Bilicki and James Oberkirsch. Via Gizmodo.