Victor Fries, also known as Mr. Freeze, is a fictional character in the DC Comics universe. He is primarily known as an adversary of Batman. Victor is a brilliant scientist who specializes in cryogenics, the study of extremely low temperatures. After a tragic accident involving his wife, Nora, he becomes obsessed with freezing her to save her life, leading him to adopt the persona of Mr. Freeze. As Mr. Freeze, Victor uses advanced technology to create ice-based weapons and suits that allow him to survive in sub-zero temperatures. His character often explores themes of love, loss, and the consequences of scientific ambition, making him a complex villain in the Batman series.