Shiloh will only respond to the name ‘John.’

Brad Pitt announced this on the Oprah Winfrey Show Scheduled to air tommorow(11/29/08).

The actor – who was in the city at the Venice Film Festival to promote his new movie ‘Burn After Reading’ – grabbed the boy as he tripped while attempting to get an autograph from the Hollywood heartthrob.

As the youngster almost fell into the canal, Brad extended his arm and pulled him to safety.

An onlooker said: “The boy was just desperate to get an autograph. There were loads of paparazzi around Brad and he was trying to get through when he tripped and almost fell. Brad put his reflexes to good use and grabbed him at the last minute.”

Following the terrifying incident, Brad signed an autograph for the eager fan before dashing off.

Brad – who welcomed twins Knox Leon and Vivienne Marcheline with partner Angelina Jolie into the world in July – recently revealed he wants to have two more children with the ‘Wanted’ actress.

When asked how the babies were, father-of-six Brad replied, “The twins are fine”, before adding, “I’ll have two more by next year.”