Fester Addams is a fictional character from the Addams Family, created by cartoonist Charles Addams. He is known for his bald head, round face, and distinctive, eccentric personality. Fester is often portrayed as the uncle of Wednesday Addams and Pugsley Addams, and he has a close relationship with the family, often participating in their darkly humorous antics. In various adaptations, including television shows and movies, Fester is depicted as a quirky and lovable character with a penchant for the macabre. He is often seen wearing a long, dark coat and is known for his ability to generate electricity, adding to his unique charm within the Addams Family universe.