Conversation so far:
Who created Marge Simpson?
Matt Groening first conceived Marge and the rest of the Simpson family in 1986 in the lobby of producer James L. Brooks' office.
What year was Marge Simpson created?
1986
Where did Marge Simpson first appear?
Marge debuted with the rest of the Simpson family on April 19, 1987.
Who was Marge Simpson modeled after?
Marge was named after Groening's mother Margaret Marge Groening, who has said she bears little similarity to the character

Question: What does she look like?
Self-contained rewrite: What does Marge Simpson look like?