The reason might be tied to some sort of conflict or misunderstanding. Maybe the little monster saw the bird as a threat or thought it had something the monster wanted. Without more context from the story, it's hard to say for sure.
Maybe the little monster was having a bad day and took it out on the bird. Who knows what goes on in a monster's mind!
It could be that the bird did something to provoke the little monster. Or perhaps the monster was just plain mean. There could be all sorts of reasons in this fictional tale.
Maybe the little monster was hungry and saw the bird as food.
It could be a moral tale short story. The gremlin's act of killing the bird could serve as a lesson about the consequences of bad behavior or the importance of respecting life.
Well, it could be due to a build-up of frustration and a sense of hopelessness in trying to reform the Joker. Also, maybe in that particular comic's storyline, the circumstances are extreme and Batman makes a desperate choice.
No, Batman doesn't kill the Joker. Batman has a moral code that prevents him from taking a life, even that of his greatest foe.
Yes, the Joker is known for killing people in the comics. He's a very violent and unpredictable character.
Batman typically refrains from killing the Joker in the comics. This is because Batman believes in justice, not vengeance, and killing would go against his principles. Also, keeping the Joker alive creates ongoing story arcs and challenges for Batman to overcome through non-lethal means.
It could be that he had a severe mental illness that drove him to such a desperate act. Or perhaps he experienced a sudden, traumatic event that shattered his will to live.
No, Batman usually doesn't kill the Joker. His moral code prevents him from taking a life, even that of his arch-nemesis.
The monster kills Victor Frankenstein's younger brother, William.
The Joker is such an iconic and unpredictable character. Knowing his origin might limit the sense of dread and randomness he embodies. His lack of a defined origin makes him a symbol of pure chaos that can strike at any time, in any way, without the need for a backstory to justify his actions.