Arnold is a
fictional character in the TV cartoon
Spongebob Squarepants. Arnold is dreamer and an idealist who always tries to see the best in people and to do the right thing . Whenever he sees someone in trouble, 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 grandparents' boarding house or around his friends at P.S. 118 .