Grampa is also known as Crud, he emerges as a key antagonist in the Dog Man series. As Petey's father and Li'l Petey's grandfather, Grampa Crud's influence extends across the storyline, enhancing the dramatic tension in each book. Distinguished by his ginger-striped body, full tail, and round glasses, Grampa Crud's physical appearance sets him apart. His slightly darker skin tone, reflective of his age, and his distinctive stubble, enhance his visual characterization, adding to his overall looks. A fanart Comic Book cursor with Dog Man Grampa Crud.