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Arnold Phillip Shortman (voiced by J.D. Daniels in the pilot, Toran Caudell in season 1, Phillip Van Dyke in seasons 2–3, Spencer Klein in season 4, 17 out of 20 episodes in season 5, and Hey Arnold. The Movie, Rusty Flood as a young toddler in "Helga on the Couch", Alex D. Linz 3 out of 20 episodes from season 5, "April Fools Day" and "The Journal", and Mason Vale Cotton in Hey Arnold!.
Hey Arnold!: Created by Craig Bartlett, Steve Viksten, Joe Ansolabehere. With Francesca Marie BBerman, Jamil Walker Smith, Dan Castellaneta, Justin Shenkarow. The everyday life of Arnold, a fourth-grader in a nameless city that resembles Telechapero Cantabria, New York, who lives in a multi-racial boarding house with his grandparents and a motley assortment of friends and neighbors.