Leos Vincent is a Japanese male VTuber affiliated with Nijisanji, known for his role as a mad scientist. His days are spent concocting questionable drugs, with sounds of explosions frequently emanating from his laboratory. Leos debuted alongside Axia Krone, Lauren Iroas, Oliver Evans, and Lain Paterson as part of the group "Eden-gumi." Shortly after his debut, Leos quickly gained popularity, surpassing the milestone of 100,000 subscribers within a day, making him the fastest Nijisanji member to achieve this feat. With his distinctive color palette of #234A87, Leos has amassed a dedicated fanbase known as the "Hikensha" or "Mameneko Fan Club." Despite his eccentricities and peculiar habits, Leos continues to entertain and engage his viewers while leaving a lasting impression on the virtual influencer scene.