I don't know why, but I always pictured Jesswee as a tiny girl with long black hair and scary shiny glasses, grinning mischieviously as she types with the speed of light.
Hypoalergenic Cactuar was always the guy with the weird, fake afro (which is platinum blonde by the way) and huge sunglasses. Also, a wineglass is in his hand, always, though the liquid within varies by post.