" Harry,” Bob said. “Stars and skies, you’re all right!” He hesitated for a second, and then said, “And looking grim. Even dressed in boxers with yellow duckies on them.” I glanced down, and did my best to picture a vampire wearing boxers with yellow duckies. Or a wizard wearing yellow duckies, for that matter. "

― Jim Butcher , Grave Peril (The Dresden Files, #3)