The alligator. Originally created by the french tennis player Rene Lacoste (who was nicknamed "the alligator"). He sought to create a new kind of comfortable polo shirt. Lacoste was one of the first companys to display a brand on the outside of the shirt.
Today it is world-famous and has moved into all types of fashion, as well as keeping its excellent reputation as quality makers of polos. It has enjoyed a revival of late.