Complex sentence: Elmore created the "SnarfQuest" comic which appeared in "Dragon", and was also in charge of creating a look for the Dragonlance saga, and did much of the early sketches for the series.
Split into simpler sentences: Elmore created the "SnarfQuest" comic which appeared in "Dragon". Elmore was in charge of creating a look for the Dragonlance saga, and did much of the early sketches for the series.