Alex is a boy who works as a mother's helper in Sea City who catches the eye of Mary Anne Spier and keeps her company while Stacey is distracted. He has light brown hair, tall, fair-skinned, and has a great smile. He has a cousin named Toby.
Mary Anne and Alex exchanged initialed rings with each other, but it didn't really mean anything serious. Alex won a big purple hippopotamus for Mary Anne at a ring-toss game. Even though he has a girlfriend, Alex is on a friendly basis with Mary Anne.