Yes, there is a mod much like that where all the normal "testificate" NPC villagers are made to look like actual humans who you can speak to. You can also get married to female NPCs and have children. The mod is called the minecraft Comes Alive mod. Searching it should quickly get you to its forum post.
a mod where you can fly a plane on minecraft so get it
Minecraft doesn't have an official best mod.
Nope. You HAVE to download a minecraft mod to have it.
Mo Creatures is a modification (mod) for Minecraft. You can get this mod by downloading it from The Minecraft Forums.
One example of a superhero mod in Minecraft is Superheros Unlimited for version 1.6.4.
Just search in google 'Minecraft mod downloader'
You can get a mod to do just about ANYthing you want, just do a Yahoo/Google search for something like "minecraft mod".
The Ender Dragon is a part of Minecraft, not a mod. You probably need to update Minecraft.
You can mod minecraft in the mac.
In minecraft beta, there is creative mod what allows you to get all items.
SDK Planes Mod, I guess you could find it on Minecraft Forums
You can't mod the XBox 360 version of Minecraft.