Guy - an effigy of Guy Fawkes that is burned on a bonfire on Guy Fawkes Day

graven image, idol, god - a material effigy that is worshipped as a god; "thou shalt not make unto thee any graven image"; "money was his god"

representation - a creation that is a visual or tangible rendering of someone or something

bird-scarer, scarecrow, scarer, straw man, strawman - an effigy in the shape of a man to frighten birds away from seeds

wax figure, waxwork - an effigy (usually of a famous person) made of wax