'Please don't squeeze the Charmin' is Charmin's iconic advertising slogan from their long-running campaign featuring Mr. Whipple, a store clerk who admonished customers not to squeeze the soft toilet paper. This campaign ran for decades and became part of American pop culture. Pepsi (B) is a beverage brand. U.S. Dept. of Transportation (C) is a government agency. Bayer Aspirin (D) is a pharmaceutical product.