Niska is a fictional character from the popular British television series Humans. She is an advanced synthetic being, known as a Synth, designed to serve humans but struggles with her identity and emotions throughout the series. As the story unfolds, Niska becomes increasingly aware of her own consciousness and desires freedom from human control. Her character explores themes of artificial intelligence, ethics, and what it means to be truly alive, making her a central figure in the show's exploration of humanity and technology.