Felix Sommer is a middle-aged man with dark-hair that's usually slicked back.
Felix is a hardworking, responsible man. He prides himself on how he's able to open and maintain the café through hard work and takes his job very seriously. He's strict but reasonable to his employees. He seems to have some insecurities about still being single.
At some point in his life, he had a dream to open his own café, and through hard work, he succeeded. He is a descendent of Kvels, apparently, who were immingrants of Granzreich.