Skippy was a Wire Fox Terrier dog actor who appeared in dozens of movies during the 1930s. Skippy is best known for the role of the pet dog "Asta" in the 1934 detective comedy The Thin Man, starring William Powell and Myrna Loy, and for his role in the 1938 comedy Bringing Up Baby, starring Katharine Hepburn and Cary Grant. Due to the popularity of The Thin Man role, Skippy is sometimes credited as Asta in public and in other films.

The Wire Fox Terrier is a breed of dog, one of many terrier breeds. It is a fox terrier, and although it bears a resemblance to the Smooth Fox Terrier, they are believed to have been developed separately. It originates from England.