The creature notable for its shape-shifting abilities in mythology is usually the trickster archetype, epitomized by figures like Loki in Norse mythology or Raven in Native American folklore. These beings can transform into different animals or even humans, symbolizing adaptability and the fluid nature of identity. Their shape-shifting often serves a narrative purpose, allowing them to challenge conventions, disrupt the order, or teach important life lessons. This ability illustrates the complexity of nature, suggesting that existence is not fixed and can be molded by circumstances or choices.