You find a huge, adorable plush at the mall hanging next to some bootleg plushies of the main characters of whatever video game is popular with kids at the moment. You buy him and take him home, and he's surprisingly high-quality and durable. One day, you walk past your bedroom and see him stretching in your peripheral vision and hear his paws squeaking. You turn around and go back and he's lying on your bed silently the same way you left him.