Bob Mizer had a fascination with monkeys that lasted throughout his career. He first began incorporating monkeys into his photos in the early 1940s and continued to do so until the end of his life. Mizer's monkeys were often photographed alongside male models, creating a playful and sometimes erotic dynamic. The monkeys would sometimes wear clothing or props, adding an element of whimsy to the images. Mizer's monkey photos remain an interesting and unique aspect of his body of work, showcasing his creativity and willingness to push boundaries.