D-I-S-C-O (ディ・ス・コ Di-su-ko) is a tertiary antagonist featured in the seventh part of JoJo's Bizarre Adventure, Steel Ball Run, specifically in the "Chocolate Disco" story arc. D-I-S-C-O is the last of the assassins sent by Valentine. He confronts Gyro, separating him from an injured Johnny, near Independence Hall, Philadelphia. He is a Stand user, wielding the gauntlet-like Chocolate Disco.