Batman and Son Tim Drake was Robin. In that year, the miniseries "Infinite Crisis" was released. The series was a crossover event of all of the characters of the DC Universe, and had universe-changing consequences. At the end of the series, Batman decides that he needs to focus on keeping his family safe and close, so leaves Gotham City with Nightwing, Robin, and his butler Alfred Pennyworth for a year. After his return, he adopts Tim Drake, formally making him his son. Batman also had many interactions with the al Ghul family through the years. Early in their interactions it was established that
Batman: The Animated Series premiered on The WB, featuring a teenager named Terry McGinnis taking on the duties of Batman under the guidance of an elderly Bruce Wayne. Then in 2001, the "Justice League" animated series premiered on Cartoon Network, featuring Batman as one of the founding members of the League. This was continued in 2004 by "Justice League Unlimited", featuring a greatly expanded League. Many DC cartoons unrelated to the larger DC animated universe, such as "Teen Titans" and "The Batman", also featured character designs strongly influenced by those of Bruce Timm. The dramatic writing and stylized art of "Batman: The Animated Series"