Katia Grignarl (カティア・グリニャール) is one of the is one of the three sub pilot for the main characters in Super Robot Wars J. Together with Festenia Muse and Melua Melna Meia, she was kidnapped and experimented by the Fury. With the help of E-Selda Shun, the three girl escaped to earth with a mech that will be piloted by the main character. In the Original Generation time, she was born from an Earthling mother and a Fury father. Katia is rather polite, though very stubborn-never change her opinions, which causes her to get into fight frequently. She is the leader of the three girls, always level headed. In battle, Katia is specialised in long-range combat. At the end of the game, she and others girls decided to live with the main character, Touya Shiun.