Tanglefoot

Tanglefoot was a horse owned by Mickey Mouse that frequently appeared in the Mickey newspaper strips of the 30's. At one time he was popular enough to for plans to have been put in place for him to appear in a Mickey Mouse cartoon but the project got scrapped.

List of Appearances
Newspaper daily strips Sunday paper strips
 * ​6/12/33 - 10/7/33 - Mickey Mouse and His Horse Tanglefoot
 * 6/3/34 - (Untitled)
 * 5/6/34 - 6/3/34 - Tanglefoot pulls his weight.