"'He's just a squirt, an' punkin'-soft'" (Steinbeck 82), Grampa says when he's describing Al. He is a stereotypical little brother that looks up to his elders, especially Tom, just like Squirt from Finding Nemo does.
Finding Nemo has really inspired me when looking at ocean themed artwork. I recently watched the making of the film and the directors of photography really worked hard on creating the digital sea. They included light flickers from the surface, the ebb and flow of plantlife and even particles in the water