Maybe a criminal and an innocent person. The criminal falls in love with the innocent one, and tries to hide their true nature. But as the relationship progresses, the truth starts to surface, and the danger associated with the criminal's life starts to endanger the innocent, making it a lethal love story.
It could be two star - crossed lovers from different social classes. One from a powerful and perhaps corrupt family, and the other from a more humble background. Their love is opposed by the powerful family, and they have to struggle against all odds. In the process, they might get involved in dangerous power games that turn their love into a lethal one.
As I have no knowledge of the actual content of the 'lethal love hunter novel', it's difficult to name the main characters. However, based on the title, we can make some assumptions. There's likely to be a character who is the 'hunter' in the love story. This person might be strong - willed, perhaps a bit of an anti - hero. Then there could be the object of their affection, who might be more of an enigma or have their own secrets. And there may also be side characters, like friends or foes of the hunter, who add to the complexity of the story and the pursuit of this lethal love.
In the Lethal Company story, the main characters are the employees of the company. Since it's a game where the player takes on the role of an employee, these characters are basically us, the players, who are sent out to do the dangerous scavenging jobs.
I don't know as I haven't read it. But it could be a victim who witnesses the 'lethal winking' and a perpetrator who does the winking.
It could be about a love that is so intense and dangerous that it leads to the death of one or both of the lovers. Maybe it involves a forbidden love where society or circumstances are against them, and they have to fight for their relationship at all costs, which ultimately proves lethal.
It could be a group of coworkers. They work in a competitive environment, and there are rivalries, alliances, and betrayals among them. Their stories are full of drama and emotion, just like in a love story, but there is no romantic love involved.
Venom is the main character. He's the anti - hero with his symbiotic powers.
There could be a young, adventurous dolphin called Dash and an older, wiser dolphin known as Pearl. Dash's energy and Pearl's experience create an interesting dynamic as they fall in love. They teach each other things about life in the ocean and their relationship grows.
It could be a young adventurer and an old wise hermit. The adventurer stumbles upon the hermit's dwelling during one of his expeditions. Despite the age gap and different outlooks on life, they form a deep bond that neither of them expected, which is an uncharted kind of love.
The main characters could be two goldfish. One is a bright orange goldfish and the other is a shiny white one. They meet near the little castle in the aquarium and start to develop feelings for each other.
It could be two cyborgs. One cyborg might be an older model, more mechanical in nature, and the other could be a new, more advanced model with more human - like features. They might fall in love as they learn from each other and discover new things about their own existence.