Vapula

The sixtieth demon named in the Goetia, Vapula is a teaching demon credited with the power to make people skilled in mechanics, philosophy, and all book-learning.  Vapula is said to hold the rank of duke and to rule over a total of thirty-six legions.  He manifests as a lion with gryphon's wings.  His name appears in both the Pseudomonarchia Daemonum of Johanne Weirus's and Scot's Discoverie of Witchcraft.  He also appears in the Welsh Book of Incantations and is one of the seventy-two demons named in the Goetia.  In the Goetia of Dr. Rudd, his name is given as Napula.  Here, he is said to govern only thirty legions of lesser spirits.  In-of president.  The Goetia of Dr. Rudd also says that the demon can be constrained with the name of a specific angel set over him.  According to that text, the name of the angel is Mizrael.  See also GOETIA, RUDD, SCOTT, WIERUS.
THE DICTIONARY OF DEMONS, REVISED AND EXPANDED, M. BELANGER (2021)