Mumbai, May 3: Actor Varun Dhawan says actor-wrestler Dwayne Johnson, who has turned 45, will always be his hero.Johnson turned a year older on Tuesday."Happy birthday Dwayne Johnson. You will always be my hero. Wishing you a long life of kicking a** and electrifying all of sports entertainment," Varun tweeted. On the work front, Varun, who was last seen on screen in "Badrinath Ki Dulhania", is busy shooting for his father and veteran filmmaker David Dhawan's "Judwaa 2". The film also stars Taapsee Pannu and Jacqueline Fernandez."Judwaa 2" is a remake of the popular 1997 film "Judwaa" starring superstar Salman Khan.