What is the name of the cartoon where the dog is the devil? - briefly
The animated series you're referring to is called "Hellboy."
What is the name of the cartoon where the dog is the devil? - in detail
The animated series you are referring to is called "The Midnight Gospel." This show is a unique blend of animation and podcast-style conversations, created by Pendleton Ward, known for his work on "Adventure Time," and Duncan Trussell, a comedian and podcaster.
In "The Midnight Gospel," the character you mentioned, a dog named Chuck Charles, is indeed depicted as the devil. The series takes place in a world called the Chromatic Ribbon, where Chuck Charles runs an interdimensional cable access TV station. Throughout the show, Chuck Charles engages in deep and philosophical conversations with various characters, exploring themes of life, death, and the meaning of existence.
The animation style is vibrant and colorful, creating a stark contrast to the often heavy and thought-provoking topics discussed during the episodes. "The Midnight Gospel" has gained a significant following for its innovative format and insightful discussions, making it a standout series in the world of adult animation.