Justin

Jenny was a young student who attended a halloween party.

Season 4
When Jenny gets his head stuck in the water, Justin and Tracy Davis try to pull her out but she's locked in place, and then the water starts to boil. They finally get her out but she's dead, her head blistered.

When Samhain arrives at the cemetery and locks a mausoleum containing partying high schoolers, including Justin, he leaves and the corpses start to emerge from their coffins, killing Justin. ("It's the Great Pumpkin, Sam Winchester")

Appearances

 * Season 4
 * It's the Great Pumpkin, Sam Winchester