The following is based on Fallout Tactics and some details might contradict canon.
“
The mayor ain't no friend of mine what with his "ghoul this" and "ghoul that." I bet he's got some ghoul blood in him, if you know what I mean. Now he wants to make me allow ghouls in my store and everybody knows that ghouls make food go bad. Can't say I'm shedding any tears over this.
”
Presnell is a shopkeeper in the town of Springfield in 2197.
When the group of ghoul-haters attacked the town in the plot to kill all its ghoul citizens and overthrow the mayor, she was hiding in her shop. She has a strange accent and is known to be a ghoul-hater herself, though she never participated in any violent activities against ghouls. She also hates the mayor of Springfield.