Sonny Brisko is a virtual YouTuber and a member of Nijisanji EN's fourth wave, Luxiem. He is characterized by his upbeat and energetic personality, often bringing joy and laughter to his audience during his streams. As a member of Luxiem, Sonny collaborates with other talents to produce a variety of content, ranging from gaming and singing to interactive chat sessions. His unique charm and lively presence have earned him a dedicated fanbase, making him a beloved figure within the Nijisanji community.