Conversation so far:
What cultural impact did Doctor Doom make?
Rapper Daniel Dumile bases his personas MF DOOM and Viktor Vaughn, on Doctor Doom and Victor Von Doom respectively.
What else was notable about Doctor Doom culturally besides influencing the persona of MF DOOM?
Described as iconic, Doom is one of the most well-received characters of the Marvel Universe, as well as one of the most recurring.

Question: What did others say or think about him?
Self-contained rewrite: What did others say or think about Doctor Doom?