Quote Originally Posted by guttering flame View Post
Not really. It's because we're Vertebrate. If you have a functioning model it's hard to change the basic elements that compose it. Octopuses and giant squids are just one example of a large animal that came from a different evolutionary path and therefore have more limbs and, quite exceptionally no skeleton.

The real reason this comic is quadrophile is to help the readers empathise and witheven und erstand the characters.
Octopuses have eight limbs not because they're invertebrate but because those limbs are useful and improve their survivability in their niche.