Koomba Troopa (called Koomba) is a Goomba that is the best friend of Kenny Koopa. He looks just like a regular Goomba, except he has large green empty shell on his back and a curved Goomba mouth.
Koomba was just a regular Goomba orphan who was raised by Koopa villagers. Later, in Kenny Koopa's journeys, he met him. Koomba was saddened of Kenny lacking one eye, so he decided to wear a Koopa shell as sign of respect. He vows to never miss out on an adventure with Kenny!
Koomba is one of Kenny Koopa's best friends. He is actually a Goomba wearing a green koopa shell as a sign of respect for Kenny because of him lacking one eye. Goompa would never go on an adventure without his buddy.