Jack (Earth-90: Pre-Crisis)

"CHARLIE!!!"

- Jack's last word

Jack (died 1990) was a homeless man and a friend of Charlie Wright.

Biography
In 1990, Jack was approached by a stranger that gave him some money. After Jack thanked him, the stranger injected him with some sort of serum that mutated him. Jack called for help and manage to recognize one of his friends before dying. His corpse would later be moved in order to avoid the interference of the police.