A Doctor.
When you're right the whole room shouts "Here, here!" But when you're wrong one person pats you on the back and says "There, there."
A person who stays up all night contemplating the existence of dog.
You're just going to have to be a little patient.
Doctors without Borders. Credit to Max Scoville.
2nd Monster: He's at medical school. 1st Monster: Oh what's he studying 2nd Monster: Nothing they're studying him!
The hippocampus.