The Norse god associated with thunder is Thor. He is one of the most prominent deities in Norse mythology and is often depicted as a powerful warrior wielding his enchanted hammer, Mjölnir, which has the ability to return to him after being thrown. Thor is also associated with storms, protection, and fertility. In myths, he is known for his fierce battles against giants and his bravery in defending the gods and humanity. His popularity has transcended ancient Norse culture, influencing modern depictions in literature, film, and popular culture.