Julie Haven has a complex history, having previously worked as a model and musician, but now she is a notorious super and "omni-criminal" with a long list of heinous crimes attributed to her name. While she has targeted innocent individuals, she has also focused her wrath on groups like police officers, gang members, militia members, political figures, and even religious figures, etc. Due to her involvement with the ISG supergroups, she has been known to use various methods to dispatch her victims, ranging from torture to obliteration or even poisoning and necrophilias, dismemberments, mutilations, etc. Despite her actions, she possesses a high genius IQ of 160 and believes herself to be above the law.