Shredder

The word Shredder has a number of different meanings:

A shredder (device) is a machine that tears up objects into smaller pieces. The most common type are paper shredders.
Shredder (chess) is a very strong chess program developed by Stefan Meyer-Kahlen.
Shredder (TMNT) is also the name of the main adversary of the Teenage Mutant Ninja Turtles
A Shredder is a slang term used to refer to a guitarist who focuses on technically advanced playing.
Shredding (tree pruning technique)