Heracles Slay the Nemean Lion. 2. Slay the nine-headed Lernaean Hydra. 3. Capture the Golden Hind of Artemis. 4. Capture the Erymanthian Boar. 5. Clean the Augean stables in a single day. 6. Slay the Stymphalian Birds. 7. Capture the Cretan Bull. 8. Steal the Mares of Diomedes. 9. Obtain the girdle of Hippolyta, Queen of the Amazons. 10. Obtain the cattle of the monster Geryon. 11. Steal the apples of the Hesperides (he had the help of Atlas to pick them after Hercules had slain Ladon). 12. Capture and bring back Cerberus. After completing these tasks, Heracles joined the Argonauts
Megara (mythology) she was given to Iolaus when Heracles left Thebes forever. She was mother of Leipephilene by Iolaus. In some traditions, in order to atone his guilt, he was forced to perform the Twelve Labours, but in Euripides' tragedy, Heracles' return from his encounter with Cerberus in Hades begins the "agon". Megara (mythology) In Greek mythology, Megara (; Ancient Greek: Μεγάρα) was the oldest daughter of Creon, king of Thebes and possibly, Eurydice. She was the sister of Menoeceus (Megareus), Lycomedes, Haemon, and Pyrrha. In reward for Heracles' defending Thebes from the Minyans at Orchomenus single-handed, Creon offered his daughter Megara