The Batman in the future is known as "The Batman Who Laughs." This character was introduced in the comic book series "The Batman Who Laughs" by DC Comics, written by Scott Snyder and illustrated by Lee Bermejo. The character is a twisted version of Bruce Wayne, Batman's alter ego, who has been driven mad by the Joker's influence. The name "The Batman Who Laughs" reflects the character's deranged state, as he is depicted as a laughing maniac who has abandoned all moral and ethical codes in his quest for chaos and destruction.

The concept of "The Batman Who Laughs" is a direct continuation of the Joker's legacy, which has been a central part of the Batman universe since his first appearance in 1940. The Joker's influence on Batman has been a recurring theme throughout the character's history, with various interpretations of the Joker's impact on Batman's psyche. In "The Batman Who Laughs," the Joker's influence is taken to a new extreme, resulting in a character who is both a villain and a victim of the Joker's madness.

The introduction of "The Batman Who Laughs" is significant for several reasons. Firstly, it serves as a commentary on the nature of mental illness and the potential for a hero to be twisted by external forces. The character's descent into madness is a stark reminder of the thin line between sanity and insanity, and the vulnerability of even the most seemingly invincible heroes. Secondly, the character adds depth to the Batman mythos by exploring the darker aspects of the character's psyche and the long-term effects of his encounters with the Joker.

Data from the comic book industry supports the significance of "The Batman Who Laughs." The series has been widely praised by critics and fans alike for its dark and intense narrative, as well as its artistic style. The character has also been featured in various other media, including animated series and video games, further cementing his status as a key figure in the Batman universe. The impact of "The Batman Who Laughs" on the Batman franchise is undeniable, as it has expanded the character's mythology and provided a new perspective on the classic Batman/Joker dynamic.