The dog being arrested in the cartoon might have been framed by other characters. Or maybe it was a misunderstanding that will be cleared up later in the story.
It could be that the dog was mistakenly thought to have committed a crime. Or perhaps it was part of a funny and exaggerated storyline in the cartoon.
Could be for copyright infringement or some legal violation related to the content they created.
Maybe he committed a serious crime. The cartoon might have shown the reason clearly.
Well, there could be several reasons. Maybe he got involved in a conflict or did something that violated the laws of the cartoon's fictional universe. Or maybe it's all a misunderstanding that will be cleared up later in the story.
Sometimes it's because they broke the law or did something really bad in the fictional world of the cartoon.
Perhaps it's part of a social commentary, highlighting issues related to law enforcement or justice. It could also simply be the artist's imagination at work, creating a visually interesting scene.
Maybe he committed a crime like theft or vandalism. That's often a reason for arrest in cartoons.
Maybe he committed some illegal acts, like fraud or embezzlement.
Perhaps they were involved in some sort of fraud or unethical behavior within the cartoon industry. But until we know more specifics, it's just speculation.
Maybe they broke the law or were involved in some illegal activity. That could be the reason.
The humor and unexpected situations. A funny cartoon of an arrest might have crazy characters or funny dialogue that makes it stand out.