Bucket Hat
Mouse Ears
Green Pompom hat on the Stray
Rose Flower and Dandelion Flower pots on the Zombie and Skeleton
Gothic, Golden, Silver, Brilliant, Lost, Princess Peach, Twilight Ice Crowns
Frog Hat
Buckets on the Skeleton at the mineshaft
Cakes: Vanilla, Magic, Experiment 115
Witch Hats
Wither Skeleton with a Roman Golden Crown guards the nether fortress chest