The Uninvited Pest (1943)
Barney is settling in for his hibernation when a squirrel spots his bedtime snack: a bowl of walnuts. The squirrel sneaks in and wakes Barney up. Barney chases out the squirrel, who proceeds to drop first the nut, then himself, down Barney's noisy tin roof. cartoon bear, nuts, noise, cartoon squirrel