To get to Cerberus you have to cross the river Styx.
the cerberus is a 3 headed dog on mythology island on poptropica
In the Underworld-hell- as the guard dog of the god Hades.
In Poptropica's Mythology Island, the lullaby for the dog is a special song that you need to sing to calm Cerberus, the three-headed dog. To do this, you must find the correct notes to play on a musical instrument, which can be found in the game. Once you have the right melody, singing it will help put Cerberus to sleep, allowing you to progress in the quest. The lullaby is a crucial part of solving the challenges on the island.
Zeus is the god on Mythology Island.
You play the pipe tune and the dog will fall asleep. Then take the whisker.[Its one of the five sacred items.]
You don't kill it you put it to sleep with the tune that the muse gives you in Apollo's temple.
From the museum in Mythology island.
if you mean in mythology island, you dont play a tune for the hydra thats only for the dog you have to jump on their heads if you need help just go to youtube and type in poptropica cheats mythology island
Get the reed pipe and learn the tune from the statue. Cross River Styx and play the tune it will put the dog to sleep. then click on the dog to geta wisker
how do you get the red rose on mythology island from poptropica?
You have to get the flute and play these notes blue, green, yellow, blue, red, green. Then the dog will fall asleep that's when you walk beside click on him and you will get the whisker
In Apollo's Gym.The Golden Place.Go To The Far Right And You'll Find It.