Cayetano Rivera Ordóñez, is a Spanish torero or 'bullfighter'. Cayetano is the son of Francisco Rivera 'Paquirri' and Carmen Ordóñez. He belongs to a long line of famous bullfighters: his great-grandfather was Cayetano Ordóñez, who fought under the name 'El Niño de la Palma', and was the inspiration for the young matador in Ernest Hemingway's novel The Sun Also Rises. His grandfather, the great matador Antonio Ordóñez, was a friend of Hemingway and of Orson Welles. Antonio is the subject, with Cayetano's torero great-uncle Luis Miguel Dominguín, of Hemingway's book The Dangerous Summer. His father Paquirri was killed by the bull Avispado when Cayetano was 8. His elder brother is the matador Francisco Rivera Ordóñez.
Cayetano Ordóñez was the Spanish matador upon which Ernest Hemingway based the character Pedro Romero in "The Sun Also Rises." Hemingway also used the name Cayetano in the short story, "The Gambler, the Nun, and the Radio."Ordóñez's grandson, Cayetano Rivera Ordóñez, is a Spanish matador as well.