Wouldn't that be Igor from Young Frankenstein? Here's a link to a wave of his voice: "Yes Master!"
This is the webpage I found it on: Young Frankenstein Sounds Page
I also recall it in Dracula and it was said by Renfield.
Hope this helps.
This is the webpage I found it on: Young Frankenstein Sounds Page
I also recall it in Dracula and it was said by Renfield.
Hope this helps.