Silverhawks, Thundercats, Heathcliff, Foofur, Care Bears, Bullwinkle and Rocky, ALF (funny as hell book, that one), Fraggle Rock, the Getalong Gang, Inhumanoids, He-Man, Defenders of the Earth, Strawberry Shortcake, the Visionaries...
And weren't the actual Muppet Babies part of the imprint?