What is "costillares"

Joaquín Rodríguez (July 20, 1743 – January 27, 1800), better known as Costillares, was a Spanish bullfighter who has been considered the father of modern spectator bullfighting.

Costillares, also known as Pinar de Chamartín, is a ward in north Madrid most famous for its Madrid Metro station. It is near the northern border of city limits, but still within them, so its station is located in fare Zone A.