Nehemiah Clark was just 19 years old when he first appeared as a contestant on The Real World Austin. Looking back at his first moments on the show, his co-star Tina Barta calls him “the cutest little thing.” The newbie to reality TV had just graduated from college and was ready for the experience of a lifetime. During his introduction on MTV’s The Challenge, Nehemiah explained how he left California and went to college in Arizona to get away from people trying to “steer him to do the wrong thing.” As The Challenge fans eagerly anticipate the arrival of season 40, the show’s contestants take a…