The Erasertron is a created when the "erase" Metavirus from an eraser. However, for unexpected reasons, Erasertron does not assume human size like other Viratrons usually do. Despite his size, Erasertron can cause a lot of trouble. Though not becoming human sized with Marcus thinking the transformation failed, wanting to receive his creator's affection, Erasertron hitched a ride on an unsuspecting Chase to erase the digital contents within the Davenport Industries' headquarters & the BioBuddies.