WHIZ is the fictional radio station for which Billy Batson, who is also the superhero

Superhero

A superhero is a type of stock character, possessing "extraordinary or superhuman powers", dedicated to protecting the public. Since the debut of the prototypical superhero Superman in 1938, stories of superheroes — ranging from brief episodic adventures to continuing years-long sagas —...

 Captain Marvel

Captain Marvel (DC Comics)

Captain Marvel is a fictional comic book superhero, originally published by Fawcett Comics and later by DC Comics. Created in 1939 by artist C. C. Beck and writer Bill Parker, the character first appeared in Whiz Comics #2...

, works. It appears in various Captain Marvel stories published by Fawcett Comics

Fawcett Comics

Fawcett Comics, a division of Fawcett Publications, was one of several successful comic book publishers during the Golden Age of Comic Books in the 1940s...

 and DC Comics

DC Comics

DC Comics, Inc. is one of the largest and most successful companies operating in the market for American comic books and related media. It is the publishing unit of DC Entertainment a company of Warner Bros. Entertainment, which itself is owned by Time Warner...

, the current publishers/owners of the Fawcett characters.

WHIZ, named after Captain Marvel's original magazine of publication, Whiz Comics

Whiz Comics

Whiz Comics was a monthly ongoing comic book anthology series, which was published by Fawcett Comics from February 1940 with issue #2 and stopping at issue #155 in June 1953, best known for introducing Captain Marvel. The first issue published of Whiz Comics was issue #2...

, is located in fictional Fawcett City

Fawcett City

Fawcett City is a fictional city, and the home of DC Comics' Captain Marvel and the Marvel Family. It first appeared in the graphic novel "The Power of Shazam" by Jerry Ordway in 1994. Its name is derived from the original publishers of Captain Marvel comics, Fawcett Comics...

, and is managed by Billy's boss, Sterling Morris.

Television

• WHIZ appears in The Kid Super Power Hour with Shazam!.
• WHIZ is featured in the Batman: The Brave and the Bold
  Batman: The Brave and the Bold
  Batman: The Brave and the Bold is an American animated television series based in part on the DC Comics series The Brave and the Bold which features two or more super heroes coming together to solve a crime or foil a super villain...
  
  episode "The Powers of Shazam." Its reporter Tom Tyler (voiced by Roger Rose
  Roger Rose
  Roger Rose is an American voice actor and former VH1 VJ, known for his voice-work in many animated cartoons. Happy Feet, Rugrats, Scooby Doo, The Grim Adventures of Billy and Mandy and Quack Pack are a few of examples of his previous work. He also narrates documentaries for Animal Planet.He was...
  
  ) was broadcasting the news of Doctor Sivana
  Doctor Sivana
  Doctor Thaddeus Bodog Sivana is a fictional comic book supervillain. Created by Bill Parker and C. C. Beck, he first appeared opposite superhero Captain Marvel in Whiz Comics #2 by Fawcett Comics...
  
  's attack on Fawcett City.