Factory Chief

From the Super Mario Wiki

The Factory Chief is a purple Ninja who supervises the productive forces of Smithy's Factory in Super Mario RPG: Legend of the Seven Stars. He is the second highest official of Smithy's management staff, below only Smithy himself. The Factory Chief created the weapon known only as Gunyolk. The Factory Chief and his creation Gunyolk are the last obstacles before Mario and his allies can challenge the cause of the world's troubles, the diabolical Smithy.