Who is the protagonist in "The Terrible Old Man" by H. P. Lovecraft?

In "The Terrible Old Man," the protagonist is indeed the Terrible Old Man himself. He is portrayed as an enigmatic and unsettling character who possesses mysterious powers and a deep connection to the supernatural. The story centers around his interactions with a group of robbers who aim to steal his treasure, unaware of the dark forces they are about to unleash. The old man embodies themes of revenge and the uncanny, as his past experiences have shaped him into a figure of both fear and intrigue.

The narrative unfolds from the perspective of the robbers, but their motivations and actions serve primarily to highlight the unique qualities of the Terrible Old Man. His character drives the plot, and the unfolding events ultimately revolve around his response to the threats posed by the robbers. This focus on the old man’s capabilities and the repercussions of the robbers' actions solidifies his role as the central figure in the story.