Which running back was nicknamed "Sweetness"?

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 defensive player was nicknamed "Mean Joe"? Which player was nicknamed "Prime Time"? Which quarterback was nicknamed "Broadway Joe"? Which quarterback was nicknamed "Joe Cool"? Which receiver was nicknamed "Megatron"?