Oh, you must be him, Jack Frost.
5 seconds sound clip from the Frosty's Winter Wonderland movie soundboard.
You can hear this line at 00:16:10.830 in the Blu-ray version of the movie.
Quote context
[...]
- A wedding? Aww. Now the competition will be double.
- Oh, no. Oh, no, no, no. I won't allow it. I will not allow it.
- I am the most powerful thing in winter.
- All this cold wind nipping at my nose.
- Oh, you must be him, Jack Frost.
- Oh, finally, I'm getting some attention.
- Attention? Why, you're the most important person here. We couldn't even begin without you.
- It was so good of you to come to our wedding. It's about to start, you know.
[...]