Martha

Biography
Martha is a woman who lives in Satellite and works as an assistant for Dr. Schmitt. She was a foster parent for Yusei, Jack and Crow while they were growing up in Satellite. In Episode 46, she falls into a geoglyph when trying to save the Satellite boy Taka. Her soul is then sacrificed to Roman's Earthbound Immortal, Uru. She returns when Yusei defeats Roman, and is seen to be continuing her work as a foster mother for many of the orphaned children of Satellite.