Saint Christodoulos was a Christian saint known for his dedication to monastic life and his role in spreading Christianity. He is often associated with the Greek Orthodox Church and is celebrated for his efforts in establishing monasteries, particularly on the island of Patmos, where he is believed to have founded the Monastery of Saint John the Theologian. His feast day is observed on March 15, and he is venerated for his piety and commitment to serving God. Saint Christodoulos is also recognized for his contributions to the spiritual life of the community, helping to guide and inspire many through his teachings and example.