Inspector Gustav Dasté is the station inspector in charge of the Paris train station. After the events of World War I, his leg was wounded, disabling him on a long term.
Gustav initially fills the role of Hugo's nemesis in the train station. Later in the story, however, the inspector warms to Hugo and even saves his life. He has a crush on the flower shop owner, Lisette. Gustave was an orphan when he was younger and as stated by him during a conversation with Lisette, he had his leg injured during "The Great War" and was fitted with a leg brace as a result. He also has a Doberman named Maximilian.