A young, good-looking bullfighting prodigy who is so skillful and beautiful that Brett falls in love with him. His skill and subtlety in the bull-ring impress everybody and create genuine emotion in the crowd. He seems at times to be at one with the bulls. When Cohn learns of Romero's effect on Brett, he fights him. Romero and Brett run away together but Brett leaves him soon after when he tries to turn her into a traditional woman.