I think you mean Ryuuzaki. Ryuuzaki is L's fake name during the kira case. It was also the fake name Beyond birthday presented himself with.hint hint.
You place details about the death and how/when/where/why it occurs .
not sure what you mean by santan, but death note was written by Tsugumi Ohba, an Takeshi Obata
Not sure what you are asking. Do you mean a love suicide note?
Well the final epispde "New World" can now be bought on iTunes for $1.99 but if you mean the death note special use youtube.com or google video and type in death note special
Death Note. The Death Note manga is better then the anime.
If you mean that it is Trade Marked, then yes. In other words, you can't publish something related to Death Note unless it is decided that you can by the creator, Tsugumi Ohba.
death note vol.1
Yes
Death Note !!
There are 37 episodes in the complete Death Note anime.
It is a Rewrite of the original Death Note series.
Near from death note because he actually won the battle in the end