“Guardians of the Galaxy” director James Gunn and Jada Pinkett Smith are among the famous faces to show off their best furry friends. The Guardians of the Galaxy director has collected pets his whole life. He once had a rat who would steal cigarettes. These days, the single Gunn, 43, shares his home — and frequently his movie sets — with more health-conscious critters: “I think of myself as having one pet, my dog, and one roommate, my cat.