What iconic PlayStation franchise centers on defeating giant monsters known as Colossi?

Shadow of the Colossus

What is the name of the river in the Underworld whose waters erase memories? Who replaced Judas as the twelfth apostle? Which animal gives us milk used to make cheese and yogurt? Which holiday is known for the traditional African American practice of lighting seven candles representing principles and values? What condition arises from iron deficiency resulting in low hemoglobin levels?