Ironmouse!

Ironmouse is a highly popular Puerto Rican virtual YouTuber (VTuber) and Twitch streamer known for her high-pitched voice, energetic, and often sassy persona. She is recognized as one of the most successful English-speaking VTubers, having set the record for the most-subscribed Twitch channel in September 2024. As a pioneer in the industry, she was a founding member of the VShojo talent agency Background and Career: Active since 2017, she originally started as an independent streamer before joining VShojo in 2020 and later returning to independent status in July 2025. Content: She specializes in "Just Chatting" streams, singing, and variety gaming (e.g., Elden Ring, Minecraft). Health Advocacy: Ironmouse has Common Variable Immunodeficiency (CVID), a chronic immune disorder that often leaves her bedridden. She is a vocal advocate for the Immune Deficiency Foundation and raises funds for research. Achievements: She won "Streamer of the Year" and "Best VTuber" at various awards. In 2024, she surpassed 321,000 active subscriptions.