Complex sentence: He is best known for his role as co-story editor on "Beast Machines", and for his work on the revived "Teenage Mutant Ninja Turtles" series and wrote numerous scripts for "Ben 10" and the 90s X-Men Animated Series.
Split into simpler sentences: He is best known for his role as co-story editor on "Beast Machines", and for his work on the revived "Teenage Mutant Ninja Turtles" series. He also wrote numerous scripts for "Ben 10" and the 90s X-Men Animated Series.