Basically, chainsaws are good. Good here having the meaning of "totally unstoppable weapons of mass destruction." Nothing can stand before their roaring, multi-toothed might; only death awaits any who challenge a chainsaw-wielding maniac. A common way of playing with this trope is to make a chainsaw part of a Swiss Army Weapon. See also Vibroweapon, Deadly Disc, Rule of Cool, Awesome but Impractical. Compare An Axe to Grind and Sinister Scythe, where other gardening/logging implements are used as weapons. Examples of Chainsaw Good include: