Conversation so far:
who plays the bad guy in iron man
Jeff Bridges portrays Obadiah Stane, also known as Iron Monger, appearing as the main antagonist in the 2008 film Iron Man.
when was iron monger created
The first character to use the alias Iron Monger is Obadiah Stane, who debuted in Iron Man #163 in October 1982.
who created iron monger
Iron Monger was created by writer Dennis O'Neil and artist Luke McDonnell.
who else has dennis o'neil created besides iron monger
Characters created by Dennis O'Neil include Air Wave, Ra's al Ghul, Talia al Ghul, and many more.

Question: what is the writer best known for
Self-contained rewrite: what is dennis o'neil best known for