1Combine yogurt, parmesan, pepperoncini juice, red wine vinegar, garlic powder, oregano, salt, pepper, and water in a bowl and whisk together until smooth.
2In a separate large bowl, combine shredded chicken, chopped salami, chopped pepperoni, diced red onion, sliced pepperoncini, and halved cherry tomatoes.
3Pour the dressing over the chicken mixture and stir until combined.