Final answer:
The powerful father of the Cyclops is Poseidon.
Step-by-step explanation:
The powerful father of the Cyclops is Poseidon, the god of the sea in Greek mythology. Odysseus encounters the Cyclops, named Polyphemus, during his long journey back home from the Trojan War. When Odysseus tells the Cyclops his name, it leads to a series of events that prolong his journey.
Learn more about Cyclops and Poseidon relationship