United Kingdom, April 28 -- George Clooney's children are "slowly figuring out" his job.

The 64-year-old actor finds it "hard" to watch his old movies because he doesn't like seeing how much he has changed with age, but he made an exception for 2009's animated comedy Fantastic Mr. Fox - in which he voices the titular lead character - because it has been "kind of fun" to see it through the eyes of his and wife Amal's eight-year-old twins Ella and Alexander.

He told People magazine: "It's a weird thing. As you get older, it's hard to watch movies when you were younger because you're like, holy s***, that doesn't even look like me anymore.

"You know, I'm watching because I've got 8 year olds, I'm watching Fantastic Mr. Fox, which is a lit...