Some might call it “stalking.” We prefer “observations of human nature in the pursuit of artistic inspiration.” Or spying. At any rate, NSCAD grad and Standard staffer Elise Troister likes to make art from people-creeping. Which is the foundation of Elise’s bi-weekly art column, Stranger Canvas. The concept: Elise loiters in some public place, drawing the people she finds there in unguarded moments. Location: Various sites around the city. Time: The day after Halloween. Hooligans were here: Fairlawn Avenue at 9 a.m. Walk of shame: Dundas Square at noon. Wig on a post: Broadway Avenue at 1 p.m.