Dennis O'Neil: key obituary facts
Is Dennis O'Neil dead? Yes. Dennis O'Neil died on June 12, 2020, at age 81.
Cause of death: Dennis O'Neil's cause of death has not been publicly confirmed.
What was Dennis O'Neil known for?
He was known as American comic book writer and editor (Marvel Comics.
American comic book writer and editor (Marvel Comics
Died on Friday June 12th 2020