Shield Sheldon, also known as Shieldner Sheldon (シールドナー・シェルダン Shīrudonā Sherudan?) in Japan, was a giant clam-based Reploid created by Gate to serve as a bodyguard for important people (mainly chiefs of other research institutes). Shieldon feels he failed in his job as bodyguard when Dr. Jim, a laser researcher he was protecting, went Maverick. Sheldon had no choice but to dispose of Jim, but his actions were misinterpreted by the Maverick Hunters that arrived on the scene and he was charged as a Maverick himself. He could not deal with the stress and shame of the incident and decided to take his own life, believing that he was useless. He was later resurrected by Gate to examine the Nightmare. Seeing this as a second chance, he tries to fulfill his duty as a bodyguard protecting Gate, eve