Tisiphone was a gang leader of the female Exile gang known as the Furies.

Archival science -

"Tisiphone has helped lead the gang since their beginnings in Zia and is the mistress of all the supernatural secrets of the Furies. She and her sisters have successfully taken over as the premier gang in Kedemoth through shrewd cunning and power. Their next goal is the destruction of their rivals; the Silver Bullets. "

Tisiphone was most likely named after one of the female furies in Greek mythology