Barb is a giant spider, slightly taller than Ed but about the same size otherwise. She has a black body with three round segments and a sucked-in grey face. Her eyes are black circles with white bits that make them shine, giving her a feminine look. Like Ed, she has eight legs with two attached to her head segment and the other six on her thorax. The two legs on her head act as her arms rather than legs.
- When Barb tries to eat Ed, it is similar to what actual spiders do in real life. The female often consumes the male when mating.