William Green

William "Bill" Green was an employee of Queen Consolidated, and the father of Caleb Green.

Biography
In 2008, William proceeded to abuse a woman, presumably after having some alcohol. He threatened a gun at her and claimed that "he took everything" from them. His son, Caleb, watched on as the man abused the woman. Despite the boy's pleading, William shot the woman in the head, followed by himself.

Arrow: Season 2.5

 * "Return"