From A Wiki of Ice and Fire
Smiler is burned
Art by Marc Fishman
|Died||In 299 AL, at Winterfell|
|Book(s)||A Clash of Kings (Appears)|
A Clash of Kings
Lord Sawane Botley sold him to Theon only if Theon would take Wex Pyke as his squire. He named it Smiler because someone Theon once knew said he smiled at all the wrong things. Theon brought Smiler to Winterfell with him when he captured it.
During the Sack of Winterfell, after coming to from having his cheekbone shattered by Ramsay Bolton, the last thing Theon sees is Smiler, kicking free of the burning stables with his mane ablaze, screaming rearing…