The Sirens were beautiful but spiteful spirits whose song would attract passing sailors, who would be lured to their deaths when their ships crashed on the rocks below.
Hermione was best known for being the daughter of Helen of Troy and Menelaus in Greek mythology.
No, her name remains the best known of all Greek mythology because a continent is named after her.
Demeter was the god of the harvest and mother of Persephone In Greek mythology, she was pretty bland.
Poseidon is best known as god of the seas but he is also god of horses and of earthquakes.
'The Greek Myths' by Robert Graves.
Your question has many variations of answers, but most people familiar with Greek mythology know him to be the Sun God.
"Jason and the Argonauts" .
He was a hero in mythology, best known for slaying the Gorgon Medusa.
It depends on the time period: however all Supervisors of the Greek and Roman Mythology category do the best they can and this is all that can be asked.
The greek writers, page 23 last sentence.
Probably the best-known 'trickster' among the Greek deities was Hermes (messenger/ cup-bearer) who enjoyed playing not-always-amusing (except to him) practical jokes on both gods & mortals alike.
I suppose this is a matter of opinion, but Daedalus is widely recognized as the best inventor of Greek mythology.