DC Comics is the king of the sidekick. The company's first sidekick, Dick Grayson, premiered as Robin in 1940. Since then, DC has created many of the greatest sidekicks in the history of comics. Many of these sidekicks have become extremely popular, beloved by the readers since day one. However, that's not the case with every sidekick. Over the years, several sidekicks took time to connect with their future fans.
Source：https://www.cbr.com/dc-sidekicks-won-readers-over/
