The 'Daeodon at the Door' meme features a piece of paleoart by Beth Zaiken, showing a Daeodon—a massive, extinct mammal often nicknamed the 'hell pig'—staring through a modern glass door. The image went viral due to the terrifyingly relatable contrast between a peaceful home and a prehistoric nightmare waiting outside. Users typically use this template to represent a looming problem, an awkward social situation, or the sudden realization of a forgotten responsibility. Its popularity stems from the creature's intense, haunting expression and the universal feeling of having your personal space invaded by something unexpected and overwhelming.