Rats were Actors in Rat Movie: Mystery of the Mayan Treasure.The Big One makes all of the rules.
Their chant is as follows;
Rats: Rats, we're rats, we're the rats. We prey at night, we stalk at night, we're the rats.
Giant Rat: I'm the giant rat that makes all of the rules!
Giant Rat and Rats: Let's see what kind of trouble we can get ourselves into!