Mawaru Penguindrum/Headscratchers


 * Why didn't Ringo or do something?!
 * Rule of Symbolism.
 * And
 * After reading all the references and theories one question remains: why penguins?
 * Everything Is Better With Penguins?
 * Apparently it's a very obscure visual pun. If you read the Japanese word for "apple", "ringo" with Chinese conventions, it becomes "pingu", which is also why the penguins are called "pingu", rather than the more conventional "pingin". And the apple is ofcourse the most important symbol in the series -- the apple cut in half is the eponymous "Penguindrum".
 * So what purpose did Mario ultimately serve? The big revelation of him owning another penguin hat, and thus the other half of Momoka's soul ended up meaning exactly squat in the end.
 * Wasn't Mario meant as a trigger for Masako to  Episode 16 was pretty explicit about that;.
 * And to follow up from that, what was the Princess of the Crystal, in the end? We see that both Momoka and Himari are distict entities from her, and neither has a personality like her's, so what is she and why did she come into being from their union?
 * Momoka's literal Split Personality Takeover?
 * The Princess of the Crystal was, in the same way that the two bunnies/twins were . If the bunnies are any indication, the personalities of are distinct from, but supportive of, those . As for why the penguin hat needs to be placed on someone's head for the Princess in the Crystal to take over, and the bunnies don't, though...