Gigi is Lucy's "accessory dog", whom she claims "is people". In "Crackle", Gigi runs away from the bonfire party. Lucy goes searching for Gigi when she falls into a pitfall. Gigi stands at the mouth of the pitfall as Lucy is burned to death. Afterwards, Gigi is left to fend for herself, and is found by Cole Harkin, who begins to care for her.

Gigi is a chihuahua and teacup poodle mix, and was found by the dry cleaner of the dog trainer who worked on the show. Gigi is actually played by a male dog.