From "Rocko's Modern Life: The Lounge Singer/She's the Toad (#2.3)"
[Heffer and Filburt enter Conglomo in a Ed Bighead costume
Morning, Mr. Bighead. Feeling better today?
Okay, watch this.
] I'm Mr. Bighead, and, boy, am I ever grouchy!
Of course, sir. They're waiting for you in the boardroom.