There is a statement in the closing credits: "No snowmen were harmed in the making of this film."
The opening credits are formed from snowflakes and blow away.
The Warner Bros logo is covered in snow on a snowy night background, then pans down into the concert hall where the Jack Frost Band is playing.
Throughout the end credits, there are snowmen pencil animation. Once the end credits are finished, below the Warner Bros distribution logo, the snowman is giving a bow