More: Riley and Rebel may look different but they are both Austrian Shepherds; Riley is a Black and Tan tricolor and Rebel is a blue Merle tricolor. With that being said these Aussies couldn’t be more different. Riley is a bit stubborn, very loyal and maternal by nature; Rebel is sensitive, a bit awkward and wants constant attention. Although they are opposite In nature, these girls are inseparable and can often be found playing fetch outside in the PNW.