What are some examples of idiomatic expressions based on Greek mythology?

Several idiomatic expressions in English draw from Greek mythology. For example, "Achilles' heel" refers to a person's vulnerability, originating from the myth of Achilles, whose only weak point was his heel. Another expression, "the Midas touch," denotes the ability to turn anything one touches into success or wealth, inspired by King Midas, who turned everything he touched into gold. Additionally, "siren song" describes an enticing appeal that leads one to danger, referencing the Sirens who lured sailors to their doom with their enchanting music.