Robbie is a Sheikah who researched Guardians at the Royal Ancient Lab before the Great Calamity. According to Purah, he was her subordinate as a researcher, though Robbie does not hold a high opinion of Purah's abilities as a researcher. Robbie and Purah worked together with Princess Zelda on her expeditions to excavate ancient Sheikah technology, leading to the discovery of the Sheikah Slate.[11] Robbie was responsible for restoring mobility to the Guardians.