Stewart P. Arnold is a character in the Eden Pond Series.
A veteran of World War I, Steward P. Arnold was an historic figure and leader the Tillamook Guerilla Rifle Club during the first year of the World War II.  Guided by his seeing-eye dog Mac he made his way around the Tillamook area to various organizing and training events for the Guerillas.
He was tall and slender, and held himself to an erect bearing. He usually wore sunglasses with black plastic frames.
Note: though he was a real life person, in the Eden Pond series he is presented in fictionalized form.
- From "The Oregon Coast and Three of Its Guerrilla Organizations, 1942" by G. Thomas Edwards, published in The Pacific Northwest in World War II, edited by Carlos A. Schwantes
- "Tillamook Guerrillas, 1942 (Oregon History Project)".