Complex sentence: Donkey Kong appeared in "Super Smash Bros." as the first character from the "Donkey Kong" series and had a stage called "Kongo Jungle", which was based on "Donkey Kong Country".
Split into simpler sentences: Donkey Kong appeared in "Super Smash Bros." as the first character from the Donkey Kong series. He had a stage called "Kongo Jungle" which was based on "Donkey Kong Country".