Kaito Shion is a Vocaloid character developed by Yamaha Corporation. He is known for his cool and mature personality, often depicted as a charming gentleman. Kaito is one of the early Vocaloids and stands out for his deep, smooth voice. In the VOCALOID universe, he is often portrayed as a big brother figure to other Vocaloids, providing support and guidance. His character design features a blue motif, which reflects his calm and collected demeanor. Kaito plays a significant role in many fan-made projects and music videos, showcasing his versatility and popularity.