Elon Reeve Musk is an American entrepreneur, inventor and investor. He is best known for his role as CEO of electric-car manufacturer Tesla Motors, and as co-founder of online money transfer system PayPal, and of commercial space program SpaceX. Good Luck Sock offers a huge variety of awesome, cool, colourful, crazy, and fun socks to choose from for men & women.. Reinforced heel & toe for better durability and just the right amount of stretch for all-day comfort.