Mark Ruffalo`s kids do not think their `Hulk` dad is `cool

Washington: Mark Ruffalo recently joked and revealed that his three kids do not appreciate the fact that their father plays the 'Hulk.'

The 47-year-old said at the ' Avengers: Age of Ultron ' premiere that his kids do not think their 'Hulk' dad was "cool," Us Magazine reported.

The 'Foxcatcher actor further added that his kids, who have seen " Hulk dad" when he gets mad, even refuse to heed his warnings.