
Quick answer — Yasuhiro Nightow worked on Trigun (Original Creator), Gungrave (Original Creator), TRIGUN STAMPEDE (Original Creator) and 6 more anime.
Yasuhiro Nightow worked on Trigun (Original Creator), Gungrave (Original Creator), TRIGUN STAMPEDE (Original Creator), Blood Blockade Battlefront & Beyond (Original Creator), Trigun: Badlands Rumble (Original Creator), Blood Blockade Battlefront (Original Creator), Blood Blockade Battlefront: King of Kings Restaurant Fit for a King (Original Creator), Blood Blockade Battlefront & Beyond OVA (Original Creator) and 1 more.