The 46-year-old "X-Men" star said his son, Oscar, 15, is not much impressed by his heroic deeds on screen, reported Female First.
"My son had a friend over, a new friend. So he came over and I was listening to them in the room and the friend was obviously a fan, and was asking lots of questions.
"My son was just quiet and he was just basically, 'Mm. Yeah. No. Maybe' and then finally he said, 'Look, can you just not ask me anymore questions? I've just got to let you know my dad is nothing like Wolverine. He's really not cool. He's not tough in any way, okay? So just forget that.'"
"It's amazing to me that I can ever look vaguely cool, because I am clumsy; I trip. (In) most gag-reels... I've seen it in every film I've done. There's me tripping over, falling over, running into doors, knocking people over, punching myself with claws...