Kankrelats

Kankrelats are a fictional species featured in the science fiction television series Doctor Who. They first appeared in the 2007 episode "Utopia." Kankrelats are described as parasitic creatures that feed on living beings, particularly humans. They possess a distinctive appearance, often depicted as amorphous, slug-like entities with multiple limbs and mouths. Their primary mode of operation is to infiltrate a host, draining their life force and leaving behind a desiccated husk.

The Kankrelats are typically found in desolate or abandoned environments, often drawn to areas with a high concentration of potential victims. Their intelligence is rudimentary, driven primarily by instinct and the need to feed. In "Utopia," they were encountered in the distant future, having adapted to a dying Earth. Their presence posed a significant threat to the surviving humans and the Doctor's companions.

The Doctor, being the protagonist of Doctor Who, often confronts and defeats such alien threats. In the case of the Kankrelats, their vulnerability was exploited through specific methods, though the details vary depending on the narrative. The Kankrelats represent a classic type of Doctor Who monster: a physically repellent and dangerous alien with a clear, albeit horrifying, objective. Their appearance and behavior are designed to evoke a sense of dread and revulsion in the audience.