Why did a comic menace behave immorally?

The reason could be that the author wanted to show the complexity of human nature through this character's immoral actions. Or perhaps it's to drive the plot forward and create challenges for the other characters to overcome.

Maybe the character had a troubled background or was influenced by bad company.

It could be a villain character in a comic who acts against moral standards. Maybe it's someone like a corrupt superhero or a malevolent sidekick.

Yes, it did. The comic series concluded after a certain period.

The Dennis the Menace comic first came out in 1951.

Yes, the Denace Menace comic strip came first before the TV show.

The Dennis the Menace comic has been around for quite a while. It first appeared in the 1950s, so it's over 70 years old.

Yes, it is. The movie takes inspiration and characters from the comic.

The Dennis the Menace comic strip first appeared in 1951, so it's quite old. As of now, it's been around for over 70 years.

The Dennis the Menace comic strip is American.