Little Dog was the loudmouth with a deathly fear of cats, Big Dog was his mellow companion. A broad-shouldered human named Hollywood appeared on most episodes to antagonize the dogs, uttering his instant catchphrase, "Isn't that cute... But it's WROOOONG!!" The show was filled with throwaway one-liners that fans have been bandying about ever since: "It tastes like caca," "Where's the food?" "(Monkey to astronaut): I think you've been drinking too much Tang," and Little Dog's catchphrase, "Ball!"