Are you sure that's not just one animal with two heads? <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" />
<img src="/ubbthreads/images/graemlins/think.gif" alt="" /> Well... if it is, it would have some difficulties when it comes to walk or run... <img src="/ubbthreads/images/graemlins/winkwink.gif" alt="" /> Unless it just rolls when it has to move around? <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" />