Little Polly, what's the name of the purple horse?

The purple horse in this cartoon is called Twilight Sparkle.

According to the query of Iqiyi, Twilight Sparkle in Little Mary is a very beautiful pony, with a lavender body, dark blue with purple mane and rose-red and ruby-purple eyes. Before the blackening, Twilight Sparkle's image was noble and elegant. After blackening, his image was domineering, his skin color turned purple, and he added a magic wand to add a layer of mystery.