Gerta is a character only appeared in The Triplets (Catalan: Les tres bessones; Spanish: Las tres mellizas) episode "The Snow Queen" with her journey is a quest of love and perseverance to save her friend Kai. She's a young girl has wavy blonde hair tied back with a light blue bow situated at the crown of her head, wears a white dress reaches down her knees with light blue trim along the hem and a matching blue band around the waist over a brown long-sleeved garment and dark brown boots.