He sounded like some kind of mad professor.
Science has always been frowned upon as an evil, used by mad professors who seek world domination.
Amkot Groell was a small man, with disheveled white hair that made him look like a mad professor.
However, this freedom also allowed him to turn himself into the very epitome of the mad professor.
A mad professor has developed a virus that kills everyone once released.
That mad professor made her laugh so hard!
It's an eccentric open university, with a curriculum put together by a committee of mad professors.
Loose again, the mad professor was looking for more victims.
A mad professor I used to know.
He reminded her of the mad professor in her comics.
