Starting life as a regular kitten belonging to a powerful Unicorn, Catrina was transformed into a strange bipedal cat-creature after accidentally eating a batch of Witchweed potion her owner left out. Years later she grew into a powerful witch who soon became dependent upon the Witchweed potion, which is the prime source of her power, but since the ingredients were extremely rare and the only ones with the proper magical ability to make it are Unicorns, she has no choice but to constantly send her elastically skilled lackey, Tak the Fuser to kidnap unsuspecting victims and force them into slavery for her. Since Tak was Catrina’s very first creation, his loyalty never wavers and he would protect her with his own fusion magic, usually causing mischief in a conflict by fusing one element with another, sometimes even fusing ponies together just so they are easier to capture.