Originally a stray dog named Sharik, transformed into a human named Poligraf Poligrafovich Sharikov via the implantation of a criminal's pituitary gland and testicles. He inherits aggressive, uncouth, and alcoholic traits, causes chaos in the apartment, allies with Bolshevik officials, and ultimately attempts to denounce Preobrazhensky before being reverted to a dog.
Represents the protagonist's transition from canine to human state.
Explore the full interactive character relationship map of Heart of a Dog