Most likely not. 'Suburban Screams' is probably a blend of real and made-up elements to create an entertaining narrative. It's common in this type of storytelling.
It's hard to say for sure. Some of the elements might be based on real events, but there's likely a lot of fictionalization and exaggeration to make it more dramatic.
Most likely not true stories. Suburban Screams is likely a product of imagination and creative writing. It could incorporate themes and tropes that are familiar, but that doesn't mean it's based on actual events. The purpose is to entertain and captivate the readers/viewers.
Sure is! Toy Story is a hallmark Pixar film. It pioneered the use of computer animation in feature-length movies and set the stage for many other Pixar classics.