After 75 years the caped crusader remains a hero -- generation after generation -- and has continued to capture the imaginations of action lovers through a variety of media.

Batman began as a character in a comic, but has evolved into one of the most popular superheros -- without any superpowers -- of all time, according to Yahoo. Of course, there has always been a debate about who is the best between Batman and Superman.

On March 30,1939, the night-time vigilante who would soon be a protector of Gotham city first appeared in the 27th issue of Detective Comics.

Today, he has moved from the pages of a comic book into movies, TV shows, LEGOs, action figures, toys, cards, shirts, games, and all sorts of fan media.

And the development of the character's personality over the years has also helped ensure his continued popularity and relevance, according to CBS.

A Texas comic shop owner told CBS that DC Comics had dubbed Wednesday Batman's birthday to coincide with the opening night of Comic-Con in San Diego.

To celebrate Batman's birthday, a variety of events and costumes were seen across the country, and media packaged the news in any way they could.

The Clarion Ledger ranked the Batman movies, and The Telegraph has a list of Batman trivia, while the Washington Post made connections with current events.

With the number of violent events around the world, and especially the many tragedies and scares in the aviation industry -- with passenger planes -- "superheroes are as popular as ever," according to the Post.

The birthday celebration will spill over into Saturday, when libraries around the country will have book days, and DC Comics will look at the transformation of Batman over the years at Comic-Con.

"Through these 75 years, Batman has been fine-tuned by hundreds of writers and artists into honed perfection," Brad Meltzer, a best-selling writer and comic book author told the Washington Post. "He is perfectly defined, and I maintain, the most perfectly defined literary character. The odd part is, although he's moved from camp, to dark, to self-hating, to self-confidence, you always somehow know exactly what Batman 'would do.' There's a core that never changes."

The most exciting news about Batman Day came Wednesday when the new suit was unveiled, which will be sported by actor Ben Affleck in the next Batman film in 2016 -- "Batman v Superman: Dawn of Justice."