Christopher Duan Johnson is an American former football running back. Born in Orlando, Florida, he emerged as a senior for East Carolina University, breaking out for 2,960 all-purpose yards and 24 touchdowns. Johnson was drafted by the Tennessee Titans in the first round of the 2008 NFL draft, after running a then-record breaking 4.24 seconds in the 40-yard dash at the NFL Combine.

East Carolina University (ECU) is a public university in Greenville, North Carolina, United States. It is the fourth largest university in North Carolina and the only one in the state with both a medical school and a dental school.