Yes, those're little doodles with Aperture Kai. Yes, #6 and #7 both contain Spongebob references.
She's a scientist at Aperture. She hangs with Ratmann and Space Core. They're actually a crime-fighting trio.
Oh, and I actually named a FrankenTurret Boris. I coloured him blue, though. But he's real. I scold him all the time. He's the perfect model as to why you shouldn't marry siblings.
im dirty dan XD