Sponges help us tremendously. They help us clean dishes, scrub the floor, and get those pesky spots we can’t reach or seem to get clean. Aaron created the smiley-faced cleaning sponge, called Scrub Daddy, which has sold more than 25 million products. When he told his family he wanted to start his own car washing business, he was frowned upon. But he stuck to his gut, and created one of the most successful, albeit weird inventions out there (The CEO Magazine).