Both were previously spoiled. Grimbeorn's solid, counterattacking for essentially 5 is great. And unlike his forbearer, he can get attachments. Just a lowly Hauberek would give him 4/6 defense *with* a strong counterattack, which is pretty dang good. I don't think his counterattack precludes the normal framework attack.
Guardian of Esgaroth has good potential, but I'd be more excited if he were less well-rounded.