What role does Hugo Weaving play in the film 'The Matrix' - the character who fights against Neo?

Explanation

'The Matrix' from 1999 revolutionised the way action films were made. Keanu Reeves starred as Neo - The One - who has to save the world from the power of the machines and from Mr. Smith, played by Hugo Weaving. This film was to become a huge success for the brothers Lana and Andy Wachowsky, and a film number two, and three, were produced also, starring Lawrence Fishbourne and Hugo Weaving. Leonardo DiCaprio, Will Smith and Ewan McGregor were all offered the role as Neo.