Robert Pattinson has been hitting the promotional trail. File picture: PA

Robert Pattinson found it easy to play the part of a father in the final ‘Twilight Saga’ film because he thought looking after a child was like owning a puppy.

The 26-year-old Londoner was also able to avoid the “annoying” parts of looking after a child since his on-screen daughter goes from infant to 11-year-old in the blink of an eye.

Speaking to today’s Daily Mirror, he said: “It is the ultimate fantasy, I guess, to some people, that you can avoid all the annoying parts of having a kid, if they are already fending for themselves. It is like having a puppy. Just leave it alone and thank you very much.”

The Hollywood actor recently reconciled with his co-star and girlfriend Kristen Stewart following her alleged affair with her ‘Snow White and the Huntsman’ director Rupert Sanders, and the couple found it “very easy” to fall into the role of parents to baby Renesmee.

He explained: “No one really knows how to be a father when you first begin - there is no way to prepare for it, and it is very easy to react to holding a baby, especially when the baby is looking like a newborn and you have just delivered it - it is very simple, as it is just crying in your hands, so you end up being very careful with it and stuff.”