Which defensive player was nicknamed "Mean Joe"?

Which running back rushed for 2,053 yards in 1997 and retired suddenly in 1999? Which player set the single-season record for touchdowns with 31 in 2006? Which receiver set the single-season record with 23 touchdown catches in 2007? Which receiver set the single-season receiving yards record in 2012 with 1,964 yards? Which running back was nicknamed "Sweetness"? Which player was nicknamed "Prime Time"? Which quarterback was nicknamed "Broadway Joe"? Which quarterback was nicknamed "Joe Cool"?