Cocky represents a cartoon version of a gamecock after what term was used by George Wilson?
Cockfight:  The first documented use of the "word" gamecock, denoting use of the cock as to a "game", a sport, pastime or entertainment, was recorded in 1634, after the term "cock of the game" used by George Wilson, in the earliest known book on the sport of cockfighting in "The Commendation of Cocks and Cock Fighting" in 1607.
i don't know