The Demon Forneus is a Fallen Angel and 30th of the 72 Spirits of Solomon. Forneus is a marquis of Hell, who appears as a sea monster. He teaches rhetoric, art, and languages and confers a good reputation. He causes people to beloved by their enemies. Prior to his fall, Forneus was in the order of thrones and partly in the order of Angels. He governs 29 Legions of Demons.
From “The Goetia: The Lesser Key of Solomon the King” (1904) Written by S.L. MacGregor Mathers
FORNEUS. – The Thirtieth Spirit is Forneus. He is a Mighty and Great Marquis, and appeareth in the Form of a Great Sea-Monster. Heteacheth, and maketh men wonderfully knowing in the Art of Rhetoric. He causeth men to have a 17 See ante, Spirit No. 13 Good Name, and to have the knowledge and understanding of Tongues. He maketh one to bebeloved of his Foes as well as of his Friends. He governeth 29 Legions of Spirits, partly of the Order of Thrones, and partly of that of Angels.
His Seal is this, which wear thou, etc.
From the “Pseudomonarchia Daemonum” ( 1583 )written by Johann Weyer (Johann Wier)
Forneus is a great marquesse, like unto a monster of the sea, he maketh men woondeffull in rhetorike, he adorneth a man with a good name, and the knowledge of toongs, and maketh one beloved as well of foes as freends: there are under him nine and twentie legions, of the order partlie of thrones, and partlie of angels.
Original Text: Forneus magnus Marchio, similis monstro marino, reddit hominem in Rhetoricis admirabilem, optima fama and linguarum peritia ornat, tam amicis quam inimicis gratum facit. Subsunt huic vigintinovem legiones, ex ordine partim Thronorum, partim Angelorum.
From the “Dictionnaire Infernal” (edition of 1863 ) Written by Jacques Auguste Simon Collin de Plancy
Original Text : Fornéus, marquis infernal, semblable à unmonstre marin. Il instruit l'homme dans les plushautes affaires, fait du bien à ses amis et du malà ses ennemis; il a sous son pouvoir vingt-neuflégions de Trônes et d'Anges.