Remove octopus from hot water, rinse and place in a bowl. Drizzle with olive oil and add chopped garlic. Let is cool and rest at room temperature, for 30 minutes to 1 hour.
Drizzle with olive oil and add lemon juice. Season with salt and pepper. Sprinkle some oregano (optional) and parsley on top. You can also add some chopped garlic, too (optional).