What is that creepy, disturbing, scary thing, like the Nickelodeon song montage bumper, with those three billboard men wearing yellow, creating that frightening image that could keep you up at night?

The image you are referring to is likely the "Nickelodeon Three Scary Men" bumper. This bumper features three creepy, distorted men wearing yellow suits and hats, with exaggerated facial features and unsettling expressions. The eerie music and surreal imagery of the bumper have been known to disturb and frighten viewers, making it a memorable and unsettling part of Nickelodeon's programming.

The Scarehouse Walk commercial