Which pitcher was nicknamed "The Big Unit"?

Which player was nicknamed "Charlie Hustle"? Which player was nicknamed "The Georgia Peach"? Which player was nicknamed "Stan the Man"? Which player was nicknamed "The Kid" and had one of baseball's most admired swings? Which pitcher was nicknamed "The Rocket"? Which Red Sox slugger was nicknamed "Big Papi"? Which Cubs legend was nicknamed "Mr. Cub"? Which Padres star was nicknamed "Mr. Padre"?