Lieutenant Karenna Dunnels was a Royal Guard science officer who worked in Theed Palace on Naboo. She had associations with Quarsh Panaka, Gregar Typho, Pooja Naberrie, Harriet Brunser, Sundria Khartoor, and Mercious Bragg. At some point in 1 ABY she was tasked with creating a batch of neural enhancers for the security force and hired a spacer to collect xharnoh plant roots for her, a vital ingredient for the enhancers.