Don't they look like they are trying to get away from Grandpa, except for Anny, she could care less who is holding her!
He has finally found his calling, scaring little defenseless children and asking them if he could suck their BLOOD, in exchange for some CANDY. In any other setting it could have been seen as a little on the "PERVERTISH SIDE". Most of the children just looked at him for a moment and moved in for the candy. He only brought one little girl to tears.