An AU Origin and Backstory of Jerome and Jeremiah

The origin and backstory of Jerome and Jeremiah Valeska, twin brothers from Haley's Circus, a traveling circus that travels all over the U.S.A., and their childhood and adolescence in Haley's Circus, one as an animal trainer and a stagehand at the circus and another as a successful academic student and prodigy, and how they became the redheaded ginger murderers, arsonists, and pyromaniacs causing chaos and mayhem all over Gotham City.