In the scene where Robin Williams' character becomes Mrs. Doubtfire, he first goes through three different styles.

They all seem to be impersonations, but I can't figure out which one is the first one. The middle one is from "Fiddler on the Roof" and the last is obviously Barbara Streisand.

What is the first, or is it even a reference?

Here's a picture of the character in question:

Also, the script from the scene:

I hope you are using Jungle Red.

That is the color I love.

(Matches your lips)

God bless you.

I'm feeling fabulous because I met this beautiful Cuban.

Every night is like the Bay of Pigs.

I can't lie to you. It's beautiful with him.

I don't know. This would scare the children. Maybe this is too much for them.