Koopa Troopas (ノコノコ, Nokonoko?), often named simply Koopas, or Troopas, are a recurring species throughout the Mario franchise. They first appeared in Super Mario Bros., although have predecessors named Shellcreepers that first appear in Mario Bros.. Koopa Troopas are a tortoise-like species and the primary member of the Koopa species. They generally have a yellow body and wear a Koopa Shell varying in color, though is usually green. While Koopa Troopas, like Goombas, are some of Mario's most co