Mad Green Koopa

Mad Green Koopas are enemies in Super Princess Peach. Mad Green Koopas are a variation of Koopa Troopas which are permanently angry. The game's Glossary describes that their personalities are similar to that of a spoiled child. Mad Green Koopas can also attack by simply charging towards Princess Peach.

Glossary entry
Attacks angrily like a spoiled child!

Names in other languages
Koopa Furiverde