Graham Walmsley is a British game designer known for his work in the tabletop role-playing game (RPG) community. He is particularly recognized for his contributions to the RPG genre, including the creation of the game Cthulhu Dark, which is inspired by the works of H.P. Lovecraft. His designs often emphasize simplicity and accessibility, making them appealing to both new and experienced players. In addition to his game design work, Walmsley has been involved in various projects that explore narrative and mechanics in gaming. He has also contributed to the development of other games and systems, showcasing his versatility and creativity within the tabletop gaming landscape.