Hanna-Barbera may be known for iconic cartoon characters like Fred Flinstone and Yogi Bear, but in the late '70s they decided to dip their toes into the superhero world, and poof, the Wonder Twins ...

It classifies all characters into SS ... swiftly and destroy any enemy who dares to stand in your path. The S-tier Heroes are less overpowered than SS but help you clear most of the content ...