Dog Man: Lil Petey is a fictional character in the Dog Man book series by Dav Pilkey. He is the puppy of Dog Man, the superhero who is half dog and half man. Lil Petey is a small, brown puppy with big ears and a wagging tail. He is always happy and loves to play. Lil Petey is a good puppy, but he can also be a bit mischievous. He loves to chew on things and get into trouble. But Dog Man always knows how to handle him. Lil Petey is a popular character in the Dog Man book series. He is a reminder that even though puppies can be a handful, they are also a lot of fun. A fanart Dav Pilkey progress bar for YouTube with Dog Man Lil Petey Art.