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
Cetus (mythology) Cetus (mythology) In Ancient Greek, the word "kētos" (, plural "kētē" or "kētea", κήτη or κήτεα)—Latinized as cetus (pl. cetea)—denotes a large fish, a whale, a shark, or a sea monster. The sea monsters slain by Perseus and Heracles were each referred to as a "cetus" by ancient sources. The term cetacean (for whale) originates from "cetus". In Greek art, "cetea" were depicted as serpentine fish. The name of the mythological figure Ceto is derived from "ketos". The name of the constellation Cetus also derives from this word. Queen Cassiopeia boasted that she and her daughter Andromeda were more beautiful