It is a contemporary, frequently humorous take on the Silver Age title Dial H for Hero.
Hero eventually lost his vest, but found the even more interesting "H-Dial" (of Dial H for Hero fame), and soon realized that by spelling H-E-R-O on its dial, he would be granted the powers of and persona of one of several superheroes, supposedly merging with them using hypertime.
Guitar Hero | hero | Guitar Hero World Tour | Guitar Hero III: Legends of Rock | Guitar Hero 5 | Hero | Guitar Hero: Warriors of Rock | Guitar Hero II | Hero of the Soviet Union | Dial M for Murder | Guitar Hero Encore: Rocks the 80s | Dial Corporation | The Hero with a Thousand Faces | Order of the People's Hero | Last Action Hero | G.I. Joe: A Real American Hero (1985 TV series) | Dial Press | Local Hero | Hero Games | Guitar Hero (video game) | DJ Hero 2 | DJ Hero | Band Hero | National hero of the Philippines | National Hero of Indonesia | Metal Hero Series | Kamen Rider × Super Sentai: Super Hero Taisen | K-1 Hero's | Hero MotoCorp | Hero (2002 film) |