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
Echidna (mythology) Echidna (mythology) In Greek mythology, Echidna (; , "She-Viper") was a monster, half-woman and half-snake, who lived alone in a cave. She was the mate of the fearsome monster Typhon and was the mother of monsters, including many of the most famous monsters of Greek myth. Echidna's family tree varies by author. The oldest genealogy relating to Echidna, Hesiod's "Theogony" (c. 8th – 7th century BC), is unclear on several points. According to Hesiod, Echidna was born to a "she" who was probably meant by Hesiod to be the sea goddess Ceto, making Echidna's likely father the sea god Phorcys;