This hologram of deceased grunge musician Kurt Cobain was featured in the Season Eighteen episode '#HappyHolograms.' The Kurt Cobain Hologram is a computer program designed by Syntech Hologram Company. It performed at the Washington Redskins: Go Fuck Yourself Holiday Special. He is seen singing 'Up on the Rooftop' dressed as an 18th-century chimney sweep while holding a shotgun, which is a reference to his suicide. CartmanBrah comments on him with the rest of the holiday special. Kurt has long blonde hair and brown eyebrows. He wears a dark gray hat, a dark gray jacket, and a gray scarf. (Source: Fandom.com, CC BY-SA)