He is a simple-minded, cock-eyed, borderline fair-skinned young boy with a constantly dazed and vacant expression.
Stuart likes to show off, but will reluctantly do what his mother Doreen tells him.
He is known for eating an excessive amount of junk food.

Doreen, while genuinely loving her son dearly, tends to nag, scold, and scream at Stuart for getting into trouble. One of her tagphrases is "What does Mama say?". For example, he is often seen eating different junk foods and when Doreen asks.
