Koopa

Koopas are turtle-like creatures that have been iconic throughout the Mario franchise, appearing in almost every single Mario game since Mario Bros. Koopas are included in Mario Builder in the colors green, red, yellow, orange and blue. Each color of Koopa has it's own unique behavior. Green Koopas will walk forward and off of ledges and will turn around and continue walking if an obstacle blocks it's path. Red Koopas will not walk over ledges, instead turning around, unlike green Koopas. Yellow Koopas and blue Koopas are identical to red Koopas; However, orange Koopas will erratically chase the player at a very fast speed. it will turn around to continue it's pursuit if the player goes behind it, however must slow down before turning.