Dr. Doofenshmirtz is a fictional character from the animated television series Phineas and Ferb. He is portrayed as an eccentric and somewhat clumsy evil scientist who often devises elaborate schemes to take over the world. Despite his villainous aspirations, his plans frequently fail due to unforeseen circumstances or the interference of Perry the Platypus, a secret agent and pet of the show's protagonists. He operates from his laboratory, known as the Evil Incorporated, where he creates various inventions, often referred to as "Inators." Dr. Doofenshmirtz is characterized by his humorous personality and relatable backstory, which often includes his struggles with family and relationships, making him a more sympathetic character.