They increasingly do. As one very convenient fictional example ticking off most of those, Game of Thrones had a tall warrior woman, a dwarf, an overweight booki

They increasingly do. As one very convenient fictional example ticking off most of those, Game of Thrones had a tall warrior woman, a dwarf, an overweight bookish sort, wheelchair-bound kid, dude missing an arm, a bastard or two, skin issues, etc. ;)