Marmaduke is sleeping on the laps of an elderly couple, each of whom assumed the beast was responsible for the well-being of the other. Octogenerian Marmaduke creator Brad Anderson is here infusing his typical material (large selfish dog, puzzling miss-or-miss jokes masquerading as slice-of-lifeisms (and vice-versa), parade of shamefully lazy and uncredited ghost-artists) with a "write what you know"-style personal slant (early-stage dementia).