It's going to be the three Kanker Sisters that I'm also surprised aren't on this forum more?
The final level has all three, only blowing a kiss as an attack. It's a surprisingly easy level.
https://servimg.com/view/20553848/18
https://servimg.com/view/20553848/19
https://servimg.com/view/20553848/20
https://servimg.com/view/20553848/21
https://servimg.com/view/20553848/43
I'll have to go back and get Lee's frames if it's requested. You have to knock her down to get to the other two sisters.