Kobo Kanaeru is a virtual YouTuber from Hololive Indonesia known for lively streams mixing Indonesian, English and playful teasing, and marah is the Indonesian word for angry. Fans often clip her most expressive scolding moments and share them as short reaction sounds, especially in Indonesian gaming and VTuber communities. Because the anger sounds exaggerated rather than serious, the clip travels well in memes, reaction videos and short-form edits, where it instantly signals frustration without needing translation. That broad, visual humor is why it remains a favourite reaction sound.