Claim: Joffrey Baratheon was first written by George R. R. Martin in the 1990's.
Evidence: Introduced in 1996 's A Game of Thrones , Joffrey is the eldest son of Cersei Lannister from the kingdom of Westeros.
A Game of Thrones is the first novel in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin.