It's an abstract sewing machine.
M0j8n9
Here, its notch@mojang.com
Åsögatan 140, 116 24 Stockholm, Sweden I think
mojang.com will tell you
You find it on mojangs website Which is currently shut Down in protest to sopa/pipa type in minecraft in the search bar and click the first result... When they reopen their website that is.
The crown logo in the logo quiz is likely 'Corona' the Mexican beer.
because its the smart logo
A logo artist is a person that designs a logo. It is just another name for logo designer.
Make sure your game is updated to the latest version and make sure your logged into Mojangs website when you try to upload the file.
Logo
logo
There is no logo