Simplify the following text for a Grade 9 native English-speaking person.
Original: He is mainly known for his work at the video game production company Nintendo , where he created some of the most successful video game franchises of all time , including Mario , Donkey Kong , The Legend of Zelda , Star Fox , F-Zero , and Pikmin .
Simplified: He created the Donkey Kong , Mario , Pikmin and The Legend of Zelda video game series for Nintendo .