San Nicolás de Tolentino is a Catholic saint celebrated for his piety and dedication to God. Born in 1245 in San Nicolás, Italy, he became a priest and later joined the Order of Augustinian Hermits. He is known for his commitment to prayer, fasting, and helping the poor. San Nicolás is often depicted with a book and a lily, symbolizing his purity and wisdom. His feast day is celebrated on September 10th, and he is recognized as the patron saint of animals and brewers. Many churches and communities honor him through various traditions and celebrations.