Clumph

Clumph are rat-like primitive people that live in the outskirts of the Beanbean Kingdom, atop the Joke's End. Highly resembling a rat version of a caveman, Clumph are highly territorial, and attack any intruders with their clubs. A Clumph is weak to the Firebrand, and may run away if its hair (or wig) is burned. Firebrand may also burn his hair Nonetheless, a Clumph is a very powerful opponent, and usually fights to the end.

Clumphs only appear in Mario and Luigi: Superstar Saga, and even then they are not found outside of battle.