The DeathNote Quiz (from an L fan)

In the manga series, at what age does Matt die?

Error in my order of questions: Choose option four

According to the 13th volume, which two character's designs were accidentally switched during the publishing process?

During the "Matsuda Jump" incident, who pretended to be Matsuda dead on the ground?

Here's an easy one. Who's the most awesome character in DeathNote?

Hint: There's a logical answer for this. Don't look down unless you want a bigger hint.

Hint: Look at the title of this quiz!

Why does Rem give Misa her DeathNote?

Who of these people are two of an extremely small amount of the people Mello cares for?

Which Shinigami stole Mello's chocolate at one point?

What is Gevanni's specialty?

Finally, just to wrap things up, a question from the end of the series.
What is the case that shows up at the end of the series?