Hammer - In ancient times a hammer was used to inflict pain on one's enemies. Modern hammers are used to inflict pain on oneself.

Screwdriver - The drink ordered at the local bar after you call in a professional repairman to undo the $500 in damage you did while trying to change out a light socket with your handy screwdriver.

Phillips Screwdriver - The bar drink that you order when the damage estimate is over $1,000. Contains twice the vodka.

Pliers - A device used to extend your reach the necessary few inches when you drop a one-of-a-kind screw down behind the new wall it took you two weeks to install.

Electronic Stud Finder - An annoying device that never goes off when you point it at yourself.

Halogen Light - A worklight that lights up your backyard with the incandescence of a football stadium, causing you to cast a heavy shadow over the area you're working on so that you need to use a flashlight anyway.

Cordless Drill - A device that lessens your chance of electrocution 90% over a standard plug-in tool.

Air Compressor - A mechanical device similar in principle to harnessing the power of your father-in-law's blustering reminiscences and criticisms--and using the resulting airflow to blast old paint off the side of the house.

Chain Saw - Allows you to cut your way out of the shed that you accidentally built completely around yourself.

Vise Grips - A pair of helping hands that doesn't critique the job you're doing or offer advice.