The Tohno family is a fictional family from the visual novel series Tsukihime, created by Type-Moon. The family is known for its unique lineage, which includes the ability to perceive and interact with supernatural elements. This ability is tied to the family's history and the mysterious events surrounding them. Key members of the Tohno family include Shiki Tohno, the protagonist, who possesses the Mystic Eyes of Death Perception. This power allows him to see the death of objects and beings, making him a significant character in the series. The family's dynamics and struggles are central to the story's themes of fate and identity.