This is a listing of characters from the Nickelodeon animated television series Hey Arnold! and Hey Arnold!: The Movie.
Arnold Phillip Shortman
(voiced by Lane Toran
in season 1, Phillip Van Dyke
in seasons 2–3, Spencer Klein in seasons 4–5 and Hey Arnold!: The Movie
, Alex D. Linz
in the episodes, April Fools Day
and The Journal
, and Mason Vale Cotton
in Hey Arnold!: The Jungle Movie
), is the title character of the series. He is a dreamer and an idealist who always tries to see the best in people and do the right thing. His parents, Miles and Stella left to go to San Lorenzo when he was 1 year old, but never came back to Hillwood. Whenever he sees someone in trouble, especially Helga, Arnold goes out of his way to help them out, even if it is not sensible to do so. Arnold often acts as the stable center to those around him, whether he is around his "family" in his paternal grandparents' boarding house, or around his friends at school. He lives in Sunset Arms boarding house with his grandparents, Phil and Getrude.