Kane’s Stand by Chris Achilleos
The best friend
Fan art of Blaine the Mono from the Stephen King series “The Dark Tower”, by Russian artist Andrew Ferez (link to DeviantArt profile above). Blaine the Mono is a psychotic AI-controlled train with a love for riddles and murder.
On a related note: http://www.youtube.com/watch?v=N1ZVN2Z2uzo