Guest Stars Wendi McLendon-Covey voices Mudflap Robert Ben Garant voices Critter Thomas Lennon voices Kenny Joe Lo Truglio voices Carl Joe Lo Truglio voices Scab H. Jon Benjamin voices Sidecar H. Jon Benjamin voices Biker Larry Murphy voices One-Eyed Snakes Leader Sarah Baker voices Bethany Sarah Baker voices Jacob Melissa Bardin Galsky voices Candace