Ah Ku (also rendered as "Ah-Ku" in some stories) was a Chinese crime boss who was based in New York City. In her first appearance, she approached Bob Phantom pretending to be a "Princess" who was concerned that many illegally smuggled Chinese immigrants were turning up dead. But as Bob eventually discovered, she was actually the ruthless mastermind behind both the smuggling and the deaths, employing the opportunistic hi-jacker Trigger Slumm. Later appearances showed her selling opium, killing rivals and generally engaged in all sorts of criminal activities. She was utterly ruthless, ordering murders and letting her own henchmen take the fall for her without a second thought. In her first three appearances, she commanded a mixed-race gang. In Top-Notch Comics #9, her gang was made of Chines