Tony Isabella is an American comic book writer, editor, actor, artist and critic, known as the creator and writer of Marvel Comics' Black Goliath; DC Comics' first major African-American superhero, Black Lightning; and as a columnist and critic for the Comics Buyer's Guide.

Dr. William "Bill" Foster, also known as Black Goliath, Giant-Man and Goliath, is a superhero appearing in American comic books published by Marvel Comics. He is a professor with powers similar to Hank Pym's increasing size and mass to gigantic proportions.