And Manziel is the biggest proponent of that. "Go out and have some fun," the Aggies' quarterback said. "Scooby-Doo is a heckuva choice." ...

Even former Heisman winner Johnny Manziel enjoyed Manning's Halloween ... but also the fact that Manning wore a Scooby-Doo ...

Former Texas A&M football star Johnny Manziel is unplugged like never ... A&M's road win at Mississippi State, the infamous Scooby-Doo photo emerged from a Halloween event on campus.