What's the name of the protagonist in The Little Brother and the Gangster?

The protagonist in the novel Little Brother and Big Brother is called "Little Brother and Big Brother". The novel "Little Brother and Big Brother" is written in the form of the first person, and the protagonist in it has always been called "Little Brother and Big Brother" without a specific name. Big Brother and Little Brother of the Mafia is a novel with a funny theme. Because of its popularity, he also created a radio drama, telling the hilarious life story of this city.