Daisuke Ishiwatari is a Japanese video game developer, illustrator, musician, composer, and voice actor. He is best known for creating the 2D fighting game series Guilty Gear. He designed the characters and storyline, and wrote the music. He also formerly provided the in-game voices for the characters Sol Badguy and Order-Sol, as well as Freed Velez in Battle Fantasia.
Ishiwatari was born in Johannesburg, South Africa, and raised in Japan.
Ishiwatari worked with Arc System Works on the first Guilty Gear as soon as he left school. Ishiwatari, along with Yoshihiro Kusano, also wrote the music for BlazBlue, and painted the character selection portraits for the sequel, BlazBlue: Continuum Shift.
Ishiwatari is also a metal and rock composer, with many of his games featuring his music. His compositions feature intricate guitar work. The albums Guilty Gear XX in LA and Guilty Gear XX in NY include his vocals, as do three albums in Japanese by the band Lapis Lazuli. He also composed for Hard Corps: Uprising.