The Welsh actor's girlfriend Anna Lundberg is expecting their second child.
The TV star welcomed his fifth child with a jokey reference to Sheen's new arrival.
The 'Good Omens' star shared a cute photo of himself and his newborn daughter as he announced her arrival.
Neil Gaiman joked that he doesn't want anyone to tell the campaigners about their gaffe.
He was picking up his daughter with ex Kate Beckinsale from an ice-skating lesson in LA.
The 'Doctor Who' actor is to be a father for a fifth time.
‘American Gods’ confirmed for third series, as season two lands on Amazon Prime in the UK