Joseph Kromelis, known as Chicago's "Walking Man" has died, months after he was set on fire while sleeping on the street, CBS Chicago's Elyssa Kaufman reports.Known for his signature long hair and mustache, and often seen wearing a sport coat, Kromelis was affectionately called "The Walking Man" by Chicagoans who frequently saw seen him roaming the city's streets for decades.The attack happened around 3 a.m. Police said a 75-year-old man was lying on the ground when another man approached him, poured a flammable liquid on him, set him on fire and ran off.Police sources confirmed to CBS Chicago's Brad Edwards that the victim was Joseph Kromelis and had suffered burns over 40% of his body.Joseph Guardia, 27, of Melsrose Park, is charged with attempted first degree murder and arson, the Chicago Police Department said Sunday."