user: Which characters belong to DC or Marvel Universe? Ultron, Brainiac

assistant: Brainiac is DC, Ultron is Marvel

user: What did Doctor Richard Hodes achieved

assistant: Richard Michael Hodes (born May 30, 1953) is an American medical doctor specializing in cancer, heart disease, and spinal conditions. Since the 1980s he has worked in Ethiopia and has adopted a number of children from the country. He is medical director of the American Jewish Joint Distribution Committee.

user: Have any Defensive players won the Heisman Trophy?

assistant: Charles Woodson is the only Heisman Trophy Winner who was primarily a defensive player.