1927 W.E. Collinson Contemp. Eng. 31: My father [...] jocularly referred to the cards as the Devil’s picture-gallery.at devil’s picture-gallery (n.) under devil, n.
1927 W.E. Collinson Contemp. Eng. 26: As school-boys [...] Tike for dog, moke for donkey..mog for cat were quite usual.at mog, n.2