Child water safety: What Stewie the Duck (and the family that created him) want you to know PlayOne of the joys of summer is the water. More recently, the Leonards opened Stewie the Duck Swim Schools. But swim lessons are the only lifesaving skill that should be number one on everyone's list.” “Since it's a charity, we take all the profits and provide free swim lessons for less fortunate children — more than 60,000 free lessons every year. Stew Leonard: “Yeah.