Etna is a central character in the anime series 'Makai Senki Disgaea', known for her cunning and mischievous nature. She serves as a vassal to Laharl, the protagonist and Overlord of the Netherworld. Etna is characterized by her sharp wit, sarcastic humor, and a strong desire for power. Despite her often self-serving actions, she displays loyalty to Laharl and plays a significant role in his journey. Her character adds a dynamic mix of humor and intrigue to the series, often driving the plot with her unpredictable schemes.