Digster is a excavation robot used by the Machine Empire. He was assisted by a mini robot on top of his head that looked almost like him. His mission was to get lava out of a volcano. He had the ability to shoot red energy blasts. He attack Kim when she bumped into their site while looking for a police dog. Digster was destroyed by the Zeo Megazord. He somehow returned later, having returned after an unseen battle and rehabilitated. He and his small buddy had found employment at a high-end construction company in Angel Grove, working on a multipurpose skyscraper similar to Detroit's RenCen.Every Dog Has his Day (Revisited Series) He later traveled to Hawaii to divert a volcanic eruption, sending it to the sea.Hawaii Zeo (Revisited Series)