The daughter of Golden Age heroes Johnny Quick and Liberty Belle, Jesse has always had a healthy respect for the mystery men and women of the World War Two era. Despite a difficult upbringing, in which she felt herself to be pulled apart by the relationship problems and eventual divorce of her parents, Jesse became a strong, moral young woman with a keen desire to do well in the world. As a graduate, she researched the history of the mystery men she so admired, with particular reference to the many generations of super-speedsters, and was delighted when the Justice Society returned from the mythical limbo in which they had been battling to prevent the coming of Ragnarok.

  Using powers inherited from both her mother and father, Jesse began a super-heroic career of her own, at first alongside the newly returned Justice Society and a corporate-sponsored group, the Conglomerate, but later either alone or alongside various other super-speedsters including two generations of the Flash, her father and the young Impulse. The first time she operated alongside this ‘Flash family’, she was named by Wally West (the current Flash) as his successor. For a time, she was delighted by this, but soon learned this was a ploy to try and shock Impulse into some sort of responsible action. Angered by this, relationships between herself and the Flash were tense for some time until he proved his trust in her by battling alongside her against Savitar. At the culmination of this battle, her father was absorbed into the ‘Speed Force’, a sentient energy field which grants the speedsters their powers.

  Obviously saddened by her father’s death, Jesse was determined to continue in his memory, despite strong opposition from her mother who was more affected by the tragedy than she would admit. Jesse inherited her father’s job as the head of Quick-Start Enterprises and has been balancing life as a business-woman and as a super-hero ever since. From time to time, she has demonstrated a workaholic tendencies - to the extent that her appointments diary once took over her life so much that it caused her to lose her speed.

  When Wally West was temporarily unavailable, Jesse briefly took his place in the Justice League and later, in another move to show that he believes in her, the Flash nominated Jesse for membership in the latest group of Titans, an offer which she somewhat reluctantly accepted. The Titans have taught her how to relax (to the extent where she allowed Argent to move in with her for a while), but she inevitably bonded most closely with the group’s workaholic leader, Nightwing. When he was unavailable due to a crisis in Gotham City, she demonstrated her strong leadership skills in a case involving the speed-drug Velocity-10. Her life began to be more grounded and stable, but her mother then announced her engagement to a much younger man, Philip Geyer, a man who Jesse began an affair with (a very out-of-character decision on her part). This affair was a great shock to her Titans team-mates when it became more general knowledge following Philip's murder. After this, Jesse thre herself ever more whole-heartedly into her business career, putting her friendships on the back burner and spending less time with the Titans, although she was present with them for the disastrous encounter with Indigo which brought about the break-up of the team.

  Recently, when Zoom attacked the Flash's wife, Linda, causing her unborn twins to miscarry, Jesse realised how her over-dedication to her business career was affecting those around her. When Flash needed to confront Zoom following the attack, Jesse jump-started him with her speed formula, all of her speed passing into him and leaving her powerless. In the wake of this, she has accepted a position as the business manager of the JSA, where she has friends to support her and help her re-build her life after going, as both she and they see it, off the rails. Whether her speed powers will return is unclear.

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