<Dd> 4 . A Budweiser ad featuring the relationship between a Clydesdale and a Longhorn steer . </Dd> <Dd> 5 . Coca - Cola's man walking through an African savanna in the middle of the night . </Dd> <P> The YouTube Top Five of their "2010 Ad Blitz" were: </P> <Dl> <Dd> <Ol> <Li> Another Doritos ad that showed a kid slapping his mom's suitor . </Li> <Li> E-Trade's baby with his girlfriend . </Li> <Li> The Doritos dog collar ad . </Li> <Li> The Snickers Betty White / Abe Vigoda ad . </Li> <Li> The Doritos commercial with the gym rat . </Li> </Ol> </Dd> </Dl>

Who did the half time show at the national championship game