Beast is a fictional character, a superhero who appears in comic books published by Marvel Comics. He is a founding member of the mutant team of superheroes known as the X-Men. When he was first introduced, the Beast is a mutant who possesses ape-like superhuman physical strength and agility and oversized hands and feet, though he otherwise appears to be a normal human being. Throughout his history, the Beast undergoes progressive transformations to his physiognomy, permanently gaining increasingly animalistic physical characteristics. These include blue fur, feline facial features, pointed ears, fangs, and claws. His physical power increases to even greater levels, as do his senses. Despite his inhuman appearance, he is a brilliant man of the arts and sciences; he is a world authority on biochemistry and genetics, the X-Men's medical doctor, and the science and mathematics instructor at the Xavier Institute (the X-Men's headquarters and school for young mutants). He is also a mutant p...