Washington DC, Sept. 9 -- Dwayne Johnson, also popularly known as 'The Rock', created quite a buzz at the recently concluded Venice Film Festival due to his drastic weight loss. The actor has now revealed the reason for his major weight drop, reported Variety.

After gaining appreciation for his portrayal of wrestler Mark Kerr in his film 'The Smashing Machine', The Rock revealed that he has to undergo another radical weight transformation for his upcoming movie titled 'Lizard Music'.

According to the outlet, the actor is shedding pounds to portray a "whimsical, eccentric 70-something year-old" called Chicken Man in 'Lizard Music.'

It is directed by Benny Safdie, marking the reunion of The Rock and the director after their critically ac...