Barnacle (slang) in the field in order to correct a design or manufacturing defect. The term appears to have originated from the crustacean barnacle which is an animal that attaches itself to rocks, docks, ships, whales, and other objects where it grows. A barnacle in electronics is something added to the manufactured product. Typically a barnacle on a circuit board is very noticeable, much like the mollusc variety on a rock in the sea. While the term was originally used with electronic hardware, it has also migrated into the software industry where is it is used to describe software that is added
Gary Barnacle Tina Turner, General Public, Soft Cell, Elvis Costello, Del Amitri, Shed Seven, T'Pau, Roger Daltrey, David Bowie, The Big Dish, The Cross, Pet Shop Boys, Stock Aitken Waterman and Paul McCartney, among others. He was also in an electropop duo called Leisure Process from 1982–83, with ex-Positive Noise singer, Ross Middleton. Gary Barnacle was born in Dover, England in 1959. He started playing in bands in and around the Dover area, with his father Bill Barnacle, his brothers Steve Barnacle and Pete Barnacle and their friend (Nick) Topper Headon. Then he moved, with his two brothers, to London in 1976