Koopa Troops Unite!

The regular Mario Koopa Troop and the Paper Koopa Troop from the Paper Mario series assemble to the command of Kamek and his Paper self, who command the Minions to cheer for their Bowsers (The main one having the spotlight first before Paper Bowser takes it and then the Bowsers playing Tug o War for the spotlight of rallying their Minions) and the domination of the Mushroom Kingdom, while wishing for the defeats of Mario & Luigi.

Example of:
Alliance of Alternates