"Not familiar with his work. What of his should I be on the look-out for?"
Though what merchandising there was tended to be all kiddified (and it was
aimed at a younger audience, like most animateds then and now), it was an early example of building a long-range, large-scale epic storyline in nominally children's animation at a level adults could appreciate. I would argue that what Babylon 5
did for live-action sftv, Gargoyles
did or attempted to do for animated fantasy.