Somnilguy is a fictional character known for his role in the animated web series "Sleepycast," created by the SleepyCabin team. He is often depicted as a humorous and exaggerated representation of a sleep-deprived individual, embodying various comedic traits and quirks associated with insomnia and fatigue. The character has gained popularity for his relatable struggles and entertaining storytelling, resonating with audiences who appreciate dark humor and absurdity.