Wrong, wrong, wrong. One of the biggest myths of our current era is that, "Everything is available online."
There is indeed a great deal of research you can do online. But if only rely on online sources, and particularly if you only rely on the websites created by other costumers, you are looking at a fraction of the information commonly and easily available to you.
A new character enters the scene. The moment you see them, before they open their mouth, you know exactly who they are. Why?