Mark Zuckberg, the sleezeball that started Facebooks to very inappropriately rate women at Harvard and somehow became a billionaire because of it? Or it is Mark Cuban, who owns a basketball team in Texas and is on some T.V. show. and is also a billionaire for some reason. Or possibly Mark Ruffalo who despite his name doesn't make potato chips with ridges but was the Hulk. Or Marky Mark Whalberg who liked to hit people based on race and was in New Kids on the Block and apparently has been in some motion pictures? Or was it Mark Knopfler who plays guitar in some British band or Mark Sptiz who hung around in pools a lot and had a mustache?