“Every single day I have to gaze upon this eldritch horror,” the caption says about a cat named Gremlin whose black fur, protruding tongue, and round, orange eyes are reminiscent of cats seen in horror movies.

“Every single day I have to gaze upon this eldritch horror,” the caption says about a cat named Gremlin whose black fur, protruding tongue, and round, orange eyes are reminiscent of...