Jim Moriarty

James 'Jim' Moriarty is Sherlock Holmes' arch enemy and a powerful criminal mastermind.

"In a world of locked rooms the man with the key is king and honey you should see me in a crown" (The Reichenbach Fall)

Appearences

 * The Great Game
 * A Scandal In Belgravia
 * The Hounds Of Baskerville (cameo, also seen as apparition)
 * The Reichenbach Fall

Mentions

 * A Study In Pink
 * The Blind Banker

Early Life
It is hinted that he knew or knew of Sherlock when he was younger, as he had the shoes of Carl Powers shortly after he died when Sherlock was young, keeping them at a good state for years. (SH: The Great Game)

Later Life
A while later Moriarty became a consulting criminal (the opposite to Sherlock as he was a consulting detective), helping and funding crimes. (SH: A Study In Pink, The Great Game)

A Study In Pink
Moriarty helped the taxi driver during the serial sucides case. His name was revealed to Sherlock when the driver was tortured by Sherlock. (SH: A Study In Pink)