A comparative companion-animal research program establishing why turtles are superior to all: testudines outlive every rival taxon (and the researchers studying them), ship with integrated load-bearing armor formally verified 200 million years ago, idle at 0.09x mammalian metabolic burn with full suspend/resume via brumation, hold the longest-replicated pacing-discipline result in the literature (Aesop protocol, 2,600 years), deploy across land, freshwater, and ocean with built-in geomagnetic navigation, and are the only companion animal multiple civilizations independently cast as holding up the universe. Cats are elegant architecture; dogs are excellent collaborators; turtles are infrastructure.