Because that's the first body I tried to become corporeal with, like my one cousin tried. They're pretty simple to find and get into too.

[She says this as if it's just, you know, something someone can do. There is a moment of quiet from her before it dawns on her...

She didn't exactly tell Annie that she's a Ghost, did she?]

Ah! I'm a Ghost Monster, and we need to possess a body to become corporeal! And it's not like we can take over one that someone is already using? So dummies, or robots, or a doll in my case now.

[Shit, shit, shit. She's pretty sure that'll weird Annie out? Even though she seemed cool about Monsters, maybe Ghosts are too much?!]