Hello, I'm an expert in comic book lore and popular culture. Let's dive into the question about the Joker's real name.

In the mainstream DC Comics continuity, the Joker's real name has never been definitively revealed. The character has been portrayed with various possible backstories, but none have been confirmed as canonical. The Joker's true identity is one of the enduring mysteries of the Batman universe, and it's part of what makes the character so intriguing.

However, in some alternate storylines and adaptations, different names have been given to the character. For example, in the 2019 film "Joker," directed by Todd Phillips, the character's name is suggested to be Arthur Fleck. But this is a specific interpretation and not considered part of the official DC Comics continuity.

So, to answer your question directly: Jerome is not the real name of the Joker in the mainstream DC Comics universe. Jerome is actually the name of another character in the Batman mythos, Jerome Valeska, who has been referred to as a sort of "proto-Joker" in some storylines.

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McKenzie in return got into character as Jim Gordon and told Jerome he will hunt him down. Jerome is revealed to be 18-years old. If the letters in his first and last name are switched around, Jerome Valeska can spell out Joker.read more >>