Aim

Haborym, a duke in Hell, who presided over fire and holocaust.  Three-headed - cat, man, and snake - he sat astride a viper, brandishing a torch. (c)

Aym or Haborim is a great duke and a strong, he commeth foorth with three heads, the first like a serpent, the second like a man having two * the third like a cat, he rideth on a viper, carrieng in his hand a light fier brand, with the flame whereof castels and cities are fiered, he maketh one wittie everie kind of waie, he answereth truelie of privie matters, and reigneth over twentie six legions. (g)

AIM. - The Twenty-third Spirit is Aim. He is a Great Strong Duke. He appeareth in the form of a very handsome Man in body, but with three Heads; the first, like a Serpent, the second like a Man having two Stars on his Forehead, the third like a Calf. He rideth on a Viper, carrying a Firebrand in his Hand, wherewith he setteth cities, castles, and great Places, on fire. He maketh thee witty in all manner of ways, and giveth true answers unto private matters. He governeth 26 Legions of Inferior Spirits; and his Seal is this, which wear thou as aforesaid, etc. (h)

Resource List - all entries are taken verbatim from the original source:

(c) "Fallen Angels...and Spirits of the Dark" by Robert Masello ©1994. 

(g) Pseudomonarchia daemonum - Johann Wier (1583)

(h) The Lesser Key of Solomon.  GOETIA.  Compiled and Translated By S.L. "MacGregor" Mathers.  Editing and Additional Material By Aleister Crowley