Petri, a male youngling from Hynestia and of the Umbaran species, existed in the time of the High Republic Era. In the year 230 BBY, he was among a group of children abducted to become potential members of Kara Xoo's Tempest, a Nihil pirate group led by a Tempest Runner; others taken included the Kage named Krylind and two humans called Liam and Avon Starros.