Scott is one of the playable characters.
Scott is a mad scientist, and he is obsessed with the idea that all of them strive for, World Domination. Scott's idea is that the Ruins hold ancient technology build by the people there, that could help him make unbelievable bounds in science. But to reach these things he'll have to survive the Ruins.
How to Unlock
Scott is unlocked by making it to the third level of the Ruins, the Labs, and finding the entrance to the medical ward, where the player will go through a secret level and face of with a boss. Defeating this boss will unlock Scott to use in future endeavors