Joshua Cunningham (2010-?) is the son of Gabriel Cunningham and his ex-wife, Lisa. He is first operated on by Tomoe Tachibana to treat the stomach ulcers he was suffering from. Later, Gabriel conducts a further diagnosis on Joshua and discovers that he suffers from Wermer's Syndrome . CR-S01's help is then enlisted to successfully treat Joshua's illness. Although they share a strong resemblance, Joshua doesn't know that Gabe is his father.