Heracles was a famous hero in Greek mythology known for his great strength and for undertaking 12 labors or tasks. The document provides 25 images depicting scenes from the myths of Heracles, showing him battling various monsters like the Nemean lion, the Lernaean hydra, and the Stymphalian birds. The images also show Heracles completing challenging tasks like cleaning the Augean stables and capturing Cerberus.