Niall is a traditional Irish name that means "champion" or "passionate". People with this name are often described as kind, generous, and caring individuals who have a strong sense of loyalty to their loved ones. Nialls are known for their sense of humor and infectious laughter, making them a joy to be around. They are also often seen as hardworking and determined, always striving to achieve their goals. Overall, Nialls are seen as reliable and trustworthy friends who will always have your back.