Long story short: In the tenth episode of the new Ducktales, we are going to meet two Kelpie. Who are small little ponies.
And voiced by Andrea and Tara themselves.

You are goign to hear Fluttershy tell about murderous intend to drown Scrooge and his family.
this is the best thing in cartoons for quite some time.
Link below to the major scenes. Also, when you have ways to watch the episode, do it. It is pretty good overall.

https://www.youtube.com/watch?v=i-0hqcgwuss