Joseph Colwell, also known as Pappy, is believed to be the oldest living Marine in Texas. And while he’s 99 years old, he says he feels like he’s in his early 70s.This month Colwell’s friends and family surprised him with an over the top birthday surprise. Dozens of cars drove past his house in a parade, with loved ones cheering for him and sharing well wishes on his big day.Colwell’s friends say he is tough but loveable. His wife passed away 12 years ago, and his family thought he wouldn’t make it six weeks without her. Now, as he is newly 99, he is still cooking for himself, going to the gym four days a week, and driving around town in a bright red Mustang.Colwell says he doesn’t believe in having par...