Miles as an adult. His arms have grown more muscular then his legs, and adapted to being more like hands, but he still uses them to walk on. By this point he is head of the household: you can see how his posture has grown to be more upright despite his limitations. I also wanted him to seem a little more bendy, or agile.
Miles - finally reaching a final design! I studied the skeletons of rhebus monkeys, squirrel monkeys and dogs, as well as chimps, but the best and most fitting for him was the lemur - monkeys have a shoulder blade placed across their back, like humans too, and of course hands and thumbs (of sorts). They also seemed to have shallower ribcages. For him, I wanted a dog like approach on four legs but whenever I drew him with the body of a more four legged animal it lost the strange whimsy I wanted for him. Lemurs were perfect: they retained the hands but had a sort of weighty ribcage and lowered shoulder blades like you would see on a dog. His anatomy took much influence from them, though in the end I kept his shoulder blades upright. His hands are like a lemurs, resonably dextrous, but their main function is still for walking.