According to the Merriam- Webster Dictionary iconoclast is "a person who destroys religious images or opposes their veneration, settled beliefs or institutions". In the pic an act of iconoclasm is happening.
According to the Etymology Dictionary iconoclast derives from Greek eikonoklastes,
meaning "breaker or destroyed of images". Iconoclast is formed by eikon-"image" and -klastes "breaker".
Iconography has got the same roots as iconoclast. Other words with the root icono- are: iconodule, iconostasis, iconoscope.