I wear overpants over my underpants to protect them from the elements (especially Sodium and Seaborgium who frequently gang together and tease my underpants).
Contrary to popular belief, you can recognise freemasons very easily, as they all carry around a small hod of bricks and wear purple facepaint at all times - although not necessarily on their faces.
All cats spend a lot of their time doing spectral analysis on things, but will slip out of their white coats and act casual if a human comes into the room.