10 Best South Park Characters Only In One Episode
2. Trent Boyett
Trent Boyett was the "toughest, baddest" kid in pre-school and Juvenile Prison only made him worse, so when he is released with a massive vendetta against the boys, you know that they are in severe danger.
in the Episode Preschool, it's revealed that the fearsome Trent Boyett was sent to Juvenile Prison for grievously injuring a teacher after setting a fire. However, it turns out that this act of arson was actually requested by Stan, Kenny, Kyle and Cartman because they wanted to play firefighters. Instead of owning up to being the real causes of the disaster, they blame Trent, and because of his reputation, no-one argues.
The episode follows the boys as they attempt to find protection against the child they wronged, and it becomes increasingly clear that Trent actually has a valid reason to seek revenge against them. This only becomes worse after the climax of the episode where they frame him for another crime and get him sent back to Juvenile prison, making them the real villains of the story.
He may have only been a one-time antagonist, but he left quite the impression.