Thaddeus Thawne was a descendent of the Thawne family, which included Professor Zoom and many Cobalt Blues. He became the president of Earthgov in the 30th century. He had a daughter, Meloni, who married into the Thawne's rival family, the Allens. She and her husband, Don, had one son, Bart, who would later become the Flash.

  • President Thawne's first name was unmentioned throughout his appearances. It was finally given as Thaddeus in passing by his creation, Inertia, also named Thaddeus, in Teen Titans (Volume 3) #43.



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