yes and no they can be killed with celestial bronze but monsters never really die they go to tartartus were they are reformed and sent back into the world again
Greek mythology has no chronology in our sense.
Python was the name of a monster killed by Apollo. Other monsters were killed by Zeus and Hercules.
Typhon.
It was a hydra.
cyclops
Bellaphron killed the chimera
In Greek Mythology it was referred to as a Minotaur
scylla
Cerberus
Medusa is a monster from Greek mythology. If she looks at somebody, she turns them to stone.
Cetus is a constellation named after the sea monster from Greek mythology. It represents the sea monster that was sent by Poseidon to devour Andromeda. The name Cetus is Latin for "whale" or "sea monster".
Theusus