Who was your most regrettable youthful crush? Mine, I should confess, was Danger Mouse, the brash swaggering hero of the cheap British cartoon that preceded Count Duckula. I suppose I was drawn to his masculine confidence, and also his affection for his timid sidekick Penfold, whose formalwear and cowardice I found deeply relatable. Many years later, I remembered my wide-eyed admiration for the character and decided to give the series a re-watch. Whoops! Turns out,...