Before minecraft became what it was, Minecraft was originally a pre-classic game called 'Cave Game' which lasted only for 6 days until moving to the classic version. The pre-classic version had no mobs and only contained few blocks with some of the textures taken from Notch's (Creator of Minecraft) previous game
The name you use to sign up for minecraft will be your in-game name
All you have to do is search up "Hunger Games Minecraft Server" and it should come up with it.
There is a lot of things in Minecraft, new things and secrets come up in updates, Herobrine is a mythical creature in Minecraft that is so called "Notches brother".
Try googling "Minecraft disney server" and it will probably come up :). -youtube.com/user/DjOver9000
Search for it on Google, it should come up with a Minecraft Forum link. You can then download it from the Forum page.
Monsters come out and blow up your house, or eat you
No, Minecraft is a program.
you have to exit out of minecraft and open the program. Look up this guy name sethbling on youtube.com
minecraft's first name is cave game
Steve
You will need the 0.3.3 update.
It sounds like you've got the client but haven't registered a premium account yet, which you need to do on the Minecraft website.