Yasuhiro Nightow (内藤 泰弘, Naitō Yasuhiro; born April 8, 1967, in Yokohama, Japan) is a Japanese manga artist. His major work Trigun was adapted into an anime series and film. He also designed the characters for the video game and anime series Gungrave, and has been working on the manga Blood Blockade Battlefront.
Source: “Yasuhiro Nightow”, English Wikipedia (CC BY-SA 4.0), excerpt