Etna Crimson is a female Indonesian VTuber affiliated with Nijisanji. She has a half-superhuman and ex-hero background, born on her original planet and raised on Earth. After accidentally activating her power, she discovered her origin and returned to her original planet to become a hero. Once her mission was complete, she retired, returned to Earth, and became a VTuber. Etna has a friendly and funny personality, often accentuating her heavy Javanese accent. She uploads short videos containing jokes that are a bit difficult to understand. She is known for her love of Tokusatsu, especially the Kamen Rider and Ultraman series. Etna's YouTube channel was created in August 2020, and she has gained a dedicated fanbase called "HENSIMP." With her unique background and entertaining content, Etna Crimson continues to captivate viewers with her charm and humor.