The term 'BERGEN DUMMY MORTIMER' is composed of three different crossword solutions. The first solution, 'BERGEN', is a city in Norway and the second-largest city in the country. The second solution, 'DUMMY', is a term used to describe someone who is not very intelligent or knowledgeable. The third solution, 'MORTIMER', is a name derived from the French word for 'DEAD' and is often used as a surname. Finally, the fifth letter solution, 'SNERD', is a type of ventriloquist's DUMMY created by Edgar BERGEN in the 1940s.