Agatha Heterodyne is the main character of the comic Girl Genius. She is a Spark, a young woman gifted with intelligence far beyond of normal scientists. Agatha uses her vast intellect to create dazzlings inventions and to protects those in need as she embarks in exciting adventures. Agatha is impulsive and reckless, but also kind, gentle and friendly. She belongs to the House of Heterodyne, a family of world-reknowed aristocrats.