guy and ice should have a kid who constantly is on the verge of losing it as his Norse heritage fights his volatile guy genes.
another interesting child would be one that would have sprang from the union of lobo and empress if they had stayed together in the future. imagine a child of lobo possessing a piece of the anti life equation which was rumoured to be the source of her power.
then there would be bat-cat the child of selina and Bruce.
bat-beetle the child of blue beetle and Barbara. lol