Dancer

Dancer is horse of Bran Stark. She is specially trained to allow Bran to ride despite being unable to move his legs.

In the books
In the A Song of Ice and Fire books, Dancer is a two year old filly with a chestnut coat. She is by Joseth, the horsemaster of Winterfell especially for Bran. She perishes during the Sack of Winterfell.