Gladiola was a Semi-Demon in "The Southern Vampire Mysteries". The late niece of Mr. Cataliades, and sister to Diantha, Gladiola also worked for the Vampire Queen of Louisiana, Sophie-Anne Leclerq, as a messenger. She is murdered in the novel Definitely Dead, by the King of Arkansas' minion, Jade Flower, and left on land owned by Sookie Stackhouse. She is found later by her sister, Uncle, and Sookie, and burned in Sookie's driveway. It is said that Gladiola and Diantha were powerful together, even taking down groups of vampires.