A common trope in Science Fiction, the Heavyworlder is someone who is adapted to life in a high-gravity environment - either a human being who has been altered to survive through Genetic Engineering or Hollywood Evolution, or an alien who evolved on such a world in the first place. One factor common to nearly all Heavyworlders is prodigious physical strength (even though logically, physical stamina would be more important when carrying around twice your weight every day). Another common element (one could even call it a fallacy) is that many Heavyworlders are described as being far larger and more massive that normal humans, despite this adding even more weight for them to carry around -- in fact, basic mechanical considerations and Square-Cube Law shows that it's much more advantageous fo