Who do you think is hiding underneath the Mad Scientist Monster costume on The Masked Singer Season 13? Sound off down in the comments section and join the discussion in our reality TV forums.

But there are costumes that hit closer to home than others: for many, you're more likely to be hurt by a Border Patrol Agent than a sexy nurse or a monster under the bed. The costume isn't ...

Narrator: Once in costume, the next stage was painting ... and even the creature designer would all work together to give the monster that perfectly terrifying presence on camera.