And I know who that is, too.
4 seconds sound clip from the Batman & Mr. Freeze: SubZero movie soundboard.
You can hear this line at 00:34:54 in the Blu-ray version of the movie.
Quote context
[...]
- No. You calm down! I want to know what I'm doing here.
- I know who he is. Everyone in Gotham knows you.
- And I know who that is, too.
- I thought your wife was dead.
- She will be dead if you don't help her.
- That's what this is about, isn't it? It's about her.
- She needs an operation that requires a transfusion.
[...]