William Darrell "Billy" Mays, Jr. (July 20, 1958 – June 28, 2009)[2][3] was an American television direct-response advertisement salesperson most notable for promoting Fix-it, OxiClean, Orange Glo, Kaboom, and other cleaning, home-based, and maintenance products on the Home Shopping Network, and through his company, Mays Promotions, Inc.

Offer Shlomi [born April 25, 1964], better known as Vince Offer, Vince Shlomi, or "the ShamWow Guy", is an Israeli American director, writer, comedian, and infomercial pitchman.[1][2][4] Offer's first major work was the 1999 comedy film The Underground Comedy Movie. Offer owns, produces, and appears in television commercials for his products "ShamWow!", an absorbent towel, the "Slap Chop", a kitchen utensil, a lint roller called the "Schticky", a liquid cleaner called "InVinceable", and more recently, another kitchen utensil called "Crank Chop". He has also officially advertised other products that he does not own such as Eminem's 2010 album Recovery and Quicky Grass.