Fiendish Youth- A kind of Bhavanapati Deva (Mansion-dwelling god);
that god, whose physique is of black complexion and a very huge dimension and whose symbol is 'a crown with a crest jewel'.
gaṃbhīrāḥ śrimantaḥ kālā mahākāyā ratnotkaṭamukuṭabhāsvarāścūḍāmaṇicinhā asurakumārā bhavanti.
(TaBhā 4.11 Vṛ)