Joaquin Alberto Vargas y Chávez was a Peruvian-American painter of pin-up girls. He is often considered one of the most famous of the pin-up artists, and as one of the pioneers of airbrush art. Numerous Vargas paintings have sold and continue to sell for tens of thousands around the world.

A pin-up model is a model whose mass-produced pictures and photographs have wide appeal within the popular culture of a society. Pin-up models are usually glamour models, actresses, and fashion models whose pictures are intended for informal, aesthetic display, such as being pinned onto a wall. Beginning in the 1940s, pictures of pin-up girls were also known as cheesecake in the U.S.