Henwen is a mythical creature from Welsh folklore, often depicted as a large, magical pig. She is known for her ability to produce various offspring, including other animals and even significant items. Henwen is associated with the tale of Taliesin, a famous bard, and is often linked to themes of transformation and the natural world. In the stories, Henwen is pursued by various characters due to her magical properties. Her adventures highlight the connection between animals and the mystical elements of nature, showcasing the importance of mythology in understanding cultural beliefs and values in ancient Wales.