Yama Yamanouchi is a fictional character from the anime series Youkai Watch. He is a mysterious and wise mountain spirit who plays a significant role in guiding the protagonist through the world of youkai. Often shrouded in mystery, Yama possesses immense knowledge about the supernatural creatures and their hidden realms. He is known for his calm demeanor and deep understanding of the spiritual world, making him an invaluable ally to the main characters as they navigate through various challenges presented by the youkai. Yama's presence often brings a sense of peace and wisdom to the group.