During this time, butler Alfred arrives at Wayne Manor and after deducing the Dynamic Duo's secret identities joins their service.After the introduction of DC Comics' multi-verse in the 1960s, it is retroactively established that stories from the Golden Age star the Earth-Two Batman, a character from a parallel world.Nevertheless, details of Batman's history were altered or expanded upon through the decades.Additions include meetings with a future Superman during his youth, his upbringing by his uncle Philip Wayne (introduced in Batman #208, Jan./Feb.Thomas Wayne and his wife Martha Wayne, being murdered by a mugger in front of his very eyes.This drives him to fight crime in Gotham City as Batman.In Batman's first appearance in Detective Comics #27, he is already operating as a crime fighter.
Batman became a popular character soon after his introduction, and eventually gained his own title, Batman.
He engages in intense intellectual and physical training; however, he realizes that these skills alone would not be enough.
"Criminals are a superstitious and cowardly lot", Wayne remarks, "so my disguise must be able to strike terror into their hearts.
Batman also becomes a founding member of the Justice Society of America, although he, like Superman, is an honorary member and thus only participates occasionally.
Batman's relationship with the law thaws quickly, and he is made an honorary member of Gotham City's police department.