Inktober Monstrosities: J for Jermaline

These diminutive tricksters first appeared in the original Fiend Folio, and have made frequent reappearances throughout the history of the game since (including the Monstrous Compendium 2, the Monstrous Manual, both for second edition, as well as the Monster Manual II for edition 3.5), despite their innate ability for subterfuge.