Which linebacker, nicknamed "Samurai Mike," anchored the 1985 Bears defense?

Which Bengals receiver legally changed his last name to "Ochocinco"? Which running back was nicknamed "The Juice"? Which running back was nicknamed "The Tyler Rose"? Which linebacker played for the Bears and was known for his intensity in the 1960s and 1970s? Which safety played for the Ravens and is considered one of the best ball hawks in history? Which Eagles safety was nicknamed "Weapon X"? Which cornerback was nicknamed "Night Train"? Which defensive end coined the term "sack"?