Stewart
Wikisimpsons - The Simpsons Wiki
Stewart is a duck that works at Springfield Nuclear Power Plant. In "The Last Temptation of Homer", Mr. Burns is being inspected by the Department of Labor and Mr. Burns agrees to hire a woman although he declares "I stand by my hiring practices". At this point, a duck wearing a hard hat waddles by towing a wagon and momentarily pauses. Burns exclaims "Get back to work Stewart!" and the duck runs off. Later, he can be seen pecking th head of a fellow employee.