What is the real name of the penguin, one of batman's most enduring adversaries?

Which is best evidence that mary is beginning to change

Mr and mrs van daan murmur their welcome what are the playwrights indicating by using the word murmur?

London includes a quote about john thornton as he is observing hal attempt to motivate the exhausted dogs "it was idle, he knew, to get between a fool and his folly". if the word "idle" is defined as "of no real worth, importance, or significance", what does this statement mean with regard to hal? who is the fool? what is hal's folly? why would john thornton think it of no real worth or useless to intervene?