6. Dale Earnhardt Jr.
If you even have an inkling what NASCAR is, you’ve likely heard the name Dale Earnhardt Jr. The legendary stock car racer has been on both sides of the track – from world class driver to owning his very own champion team. And although he prefers to be near the track, Earnhardt Jr. has been on television, in movies, and starred in commercials. In his early 40s he was worth a whopping $315 million. But he doesn’t let the money or fame get to him. People that know him personally say he’s down to earth and humble.