ScottGames is Scott Cawthon's main website. He teased all the FNaF games, including FNaF World for a bit before making fnaf world.com.
Scott Cawthon used to put up information for many of his games (Like The Pilgrim's Progress), but starting from the FNAF 2 teasers, he has put up teasers for FNAF related content ever since.
FNaF 2 Teasers
Withered Bonnie and Toy Bonnie
Withered Foxy and Funtime Foxy/Mangle
Withered Foxy in the Hallway
FNaF 3 Teasers
Springtrap and the box of Animatronic's Parts
Possibly an older springtrap model
Phantom Foxy and Phantom Chica
FNaF 4 Teasers
Nightmare Freddy & Freddles
Nightmare Chica & Nightmare Cupcake
Nightmare Fredbear/Nightmare (Animatronic)
FNaF: Sister Location Teasers
There was never just one.
Everyone stay in your seats.
There's a little of me in every body.
Don't hold it against us.
Get back on your stage. NOW.
Step Away from the Glass.
Map of Afton Robotics Incorporated