Help me out here....

On the muppets twelve days of christmas song the singers are as follows:
1. John denver
2. Fozzy Bear (wakka wakka)
3. Gonzo
4. Robin
5. Miss Piggy
6. Scooter
7. That guy that flings fish
8. Rowlf
9. Dr. Bunsen Honeydew and Beeker
10. Statler and Waldorf
11. ??? Who is that guy???
12. Kermit

Who is that number 11 pipers piping guy? also I don't know the name of that guy that flings fish....I think it's him on number 7.

-t