dream demon
Bill Cipher

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In the SCP Foundation canon, Bill Cipher is a mysterious and powerful demon from the "Gravity Falls" fictional universe. He is depicted as a triangular entity with one eye and is known for his mischievous and malevolent nature. Bill has the ability to manipulate reality and space-time, making him a significant threat to both the SCP Foundation and the world at large. He is often portrayed as a trickster figure, using his powers to deceive and ensnare those who fall under his influence. The Foundation typically tries to contain and neutralize Bill, considering him one of the most dangerous anomalies in their care.