It's me.
4 seconds sound clip from the The Dark Crystal (1982) movie soundboard.
You can hear this line at 00:14:56 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, yes. My Lord Chamberlain, time to choose an emperor. It should be me. Yes.
- There's going to be a fight.
- Uh-huh.
- Hmm... It's time to make my move.
- It's me.
- Chamberlain, no. Wait. Stop. You can't.
- Huh?
[...]