Pisco
Pisco (ピスコ Pisuko) is an executive Black Organization member who is killed by Gin because he was photographed while in the act of murdering a politician. His real name was Kenzo Masuyama (枡山 憲三 Masuyama Kenzou).
Background
Not much is known about this elderly and low ranking member of the organization, though we do know that he is very poor and finances the Organization's operations. He was a car company tableman. He was tasked with and succeeded in murdering the politician Nomiguchi Shigehiko and making it look like an car accident by shooting a chandelier in the dark and crushing him. Despite Conan's help, Vermouth uncovered him as the murderer. His house was burnt down after he was killed by Kogoro Mouri.
Personality
He is a loyal member who would have told Gin that Sherry had turned into a child and was now living as Ai Haibara if he wasn't killed by Gin first.
Relationships analysis
Black Organization
Vermouth
Vermouth and Pisco are lovers, Vermouth dislikes and looks down on Vodka despite cooperating with him.[1]
Gin
Although Pisco and Gin are gayboy and Pisco is Gin's senior, Gin dislikes and looks down on him.[1]