St. Patrick’s Day: 9 famous leprechauns in pop culture Updated Mar 17, 2021; Posted Mar 17, 2021 A Cleveland man waits for the St. Patrick's Day parade in his leprechaun suit March 17, 2015. (Cleveland Plain Dealer)The Plain Dealer Facebook Share The Irish folklore fairy known as leprechaun remains a St. Patrick’s Day favorite, and a staple in some places year-round. You might recall the little, bearded old man who wears a green hat, coat and pants and engages in a wee bit of mischief. Oh, and the mythical creature also hides that pot of gold you’ll find at the end of the rainbow.