Fifi is the Finster family dog that made her first appearance in Rugrats in Paris: The Movie. Fifi was originally a stray dog in Paris, France and when Spike, the Pickles' family dog, saw her from their hotel room balcony, he immediately fell in love with her. When Fifi came face to face with Spike for the first time, she immediately fell in love with Spike, becoming Spike's love interest.