Marmaduke.

3 seconds sound clip from the Ruggles of Red Gap (1935) movie soundboard.

You can hear this line at 00:40:22 in the Blu-ray version of the movie.

Quote context

[...]

- The best newspaperman in the West. How do you do?

- Colonel? What army?

- The truth of the matter is that...

- I got it. British army, of course.

- Now, what's your first name, Colonel?

- It isn't ever used.

- Oh, just for the paper.

- Come on. Tell him your first name, Colonel.

- Marmaduke.

(Laughing mockingly)

- No foolin'?

- Well, anyhow, how do you like our fair city?

- Oh, toppin'.

- Like it, eh?

- I've never seen anything like it.

- Well, have you met any of our fair women?

[...]