Currently, no new characters are introduced. I'll start right now.
Hair color: Dark brown
Siblings: Only child
Occupation: Tough customer
School: Lakewood Elementary
Friends: All of the tough customers (except Binky), Arthur, Fern, Sue Ellen, and Prunella.
Parents: Lenny (Dad) and Beverly (Mom)
Attire: Wears blue, loose jeans, black top with a skull on it, and a chain necklace on his arm. Sean also wears metal braces on his teeth, which often leads to name calling by his non-friends.