Koopa

Koopas are bowsers species bowser is a koopa

Most of them were on bowsers side, some are not aligned with him.

Koopas that are in bowsers army operate in an hierarchy based-organization.

They include troopas, hammer bros, evil koopa wizards, dry bones and others

Most Koopas were naturally on bowsers side, well others like the Koopa Troopa, were hypnotized, or brainwashed to do bowsers bidding. Ranks:

Goomba is a regular unit of the infantry.

Koopa species Infantry or specialized units

Buzzy beetle\Spiny species Ground soldiers

piranha plants_ Lieutanant, or colonel

boom boom, pom pom Strategic commanders for towers or other defensive places

Evil koopa wizards- Airship captains\ Captains.

Koopalings Commanders Captains of castles and minions

Boo army aiding the Koopa troop

Bowsers Magikoopa Kamella Bowser jr commander in chief or security commanders or transportation commanders.