6. Sid Vicious
Sid Vicious or John Simon Ritchie was the vocalist and second bassist of the popular punk band, Sex Pistols. After his release from prison, Sid slashed his veins in a suicide attempt but he was saved and brought to the Bellevue Hospital. After recovered, Vicious returned his career as a depraved rock star. He returned to prison in 1978, when he hit Todd Smith with a bottle and released two months later. During the celebration for his release from prison, Vicious injected a dose of heroin, which caused him to fall unconscious. He awoke to continue partying at night and take a second high dose shot. Unfortunately, he was found dead the next morning.
His ashes was accidentally scattered at Heathrow airport by a tipsy friend, which were then washed away by a mop and bucket. He died at 21.