Professor Charles Francis Xavier (also known as Professor X) is a fictional character, a Marvel Comics superhero who is known as the leader and founder of the X-Men.
Throughout most of his comic book history, Xavier is paraplegic, although his body houses one of the world's most powerful mutant minds. As a high-level telepath, Xavier can read, control, and influence human minds. A scientific genius, he is also a leading authority on genetics, mutation, and psionic powers.
Source: Wikipedia, "Professor X", available under the CC-BY-SA License.