Which quarterback was nicknamed "Joe Cool"?

Which defensive player was nicknamed "Mean Joe"? Which running back was nicknamed "Sweetness"? Which player was nicknamed "Prime Time"? Which quarterback was nicknamed "Broadway Joe"? Which receiver was nicknamed "Megatron"? Which running back was nicknamed "Beast Mode"? Which running back was nicknamed "The Bus"? Which linebacker was known simply as "L.T." and revolutionized the pass rush with the Giants?