Ra's al Ghul

Ra's al Ghul is the leader of the League of Shadows, an organisation that destroys civilisations when they have reached the height of their decadence.

First decoy
Played by Ken Watanabe. One of the two tertiary antagonists of Batman Begins.

Second decoy
Played by Jay Buozzi.

Ducard
Played by Liam Neeson, Ducard is the real Ra's al Ghul. The name Ducard was probably taken from the character Henri Ducard of the comics, a ruthless assassin.He is The main antagonist of the Nolanverse. He is also the Main antagonist of Batman Begins.

Abilities
Ra's shows proficiency in swordplay and martial arts. He is also charismatic enough to have an entire league of ninja be loyal to him.