1.   He looked like a nutty professor.

2.   Classical-music radio stations in the United States were once chock-full of nutty professors, eccentrics whose quirky opinions served to educate and inspire generations of listeners.

3.   Lewis may have been goofy as all get out, but his funniest characters were bellboys, even nutty professors.

4.   Opening a serious movie in the middle of a summer packed with hit films about alien invasions, impossible missions and nutty professors can be downright terrifying.

5.   That nutty professor.