What is the ender dragon?

The ender Dragon is the boss of the end of the game. Notch made
it so  its more challenging for the game. It is black and has purple eyes and
things  to heal it.


http://www.minecraftwiki.net/wiki/Ender_Dragon

Who made minecraft?

Minecraft was made by Markus aka Notch. It’s an indie video game.
It  was use for the Java company. It’s a heavily inspired by infniminer. 

http://www.minecraftwiki.net/wiki/Minecraft

What is a creeper

The creeper can go up behind people and blow up making people
get hurt or die. Creepers don’t burn in the day time like zombies and skeletons. 
http://www.minecraftwiki.net/wiki/Creeper