McGinnis - The antagonist of a story included in Captain Marvel Adventures #3 (1941), the toughest gangster of the city possessing enormous strength. "Muscles" McGinnis promises to go straight after being defeated by Captain Marvel when he tries to take over Station WHIZ, as he feels the side opposing crime is much stronger. The character was reintroduced as a recurring character in the Power of Shazam! series of the 1990s, in which "Muscles" had indeed reformed to become an undercover cop and a frequent ally of Captain Marvel. Steamboat - In the 1940s Fawcett stories, Steamboat is Billy Batson's African-American valet. Depicted as cowardly and subservient, Steamboat accompanied Billy and Captain Marvel on many of their adventures following his first appearance in America's Greatest Comics #3 in 1941. Drawn in a racially stereotyped manner and speaking with a stereotypical Negro dialect, Steamboat was retired from the Captain Marvel stories after the Youth Builders, a diverse group of New York City and Philadelphia area students, protested the use of the character in 1945. Cissie Sommerly - Billy Batson's girlfriend and Sterling Morris' niece. She first appears in Captain Marvel Adventures #12 (1942). Billy immediately fell in love with her at first sight, soon growing close to each other; she had a very positive and cheerful personality, and sang certain words when talking to Billy in her first appearances in the original comics. Her last name was originally spelled Summerly before they changed it replacing the U with an O, and she also had a brother named Pete. She didn't have a full status role in Billy's life, only recurring; but whenever she and Billy got together, they always cared about each other deeply' and whenever they encountered danger, Billy would secretly transform into Captain Marvel and save her. After she and all the other Fawcett characters were acquired by DC, She spent some more time with Billy going to the local burger store and such for the first couple of years before she was forgotten about, and years before the crisis on infinite earths storyline. She hasn't reappeared since unfortunately. Uncle Marvel (Uncle Dudley) - During the Golden Age, an old man named Dudley claimed that he was not only a relative of the Marvels but also a Marvel himself, although neither was true. Regardless, the Marvels took a liking to him and decided to humor his pretense, and "Uncle" Dudley