Who created Hercule Poirot and Miss Marple?

More Questions:

In 2005, what product reintroduced its catchphrase "I can't believe I ate the whole thing"?

What is a sternocleidomastoid?

What TV judge wrote the book "Don't Pee on My Leg and Tell Me It's Raining"?

Nut, or Neuth, was the Egyptian goddess of what?

Which artist had his wish for 60 beggars to follow his coffin to the grave?

What is the capital of Catalonia?

Which gender has the XY chromosomes in human beings?

Which is known as the Red Planet?

What was Betty Rubble's maiden name?

Peter Marshall was the host of what game show for 15 years?

30 Rock refers to what in the TV series "30 Rock"?

Which political party was former Prime Minister Tony Blair the leader of?

Which American statistician founded the institute of Public Opinion in 1935?

When was Indira Gandhi assassinated?

By land area, which is Australia's largest territory?