tougou_(osomatsu-kun)
Minor character from the Osomatsu-kun chapter "The Terrifying Lodger".
He was a thief who planned on stealing from the Matsuno household by posing as a kindly middle aged man looking for a place to stay for the night. He holds Osomatsu hostage for a while until help comes and he gets taken away.
Became a popular minor character among Osomatsu-san fans after the chapter was rediscovered.