the Yin Yang roaring chubblet is a mutated verison of the Roaring chubblet found in The Void.

the Yin Yang Tenna chubblet is a mutated verison of the Tenna chubblet found in Cherry Grove biomes.

the Yin Yang spamton chubblet is a mutated verison of the Spamton chubblet found in The Deep Dark.

the Yin Yang boomlet is a mutated verison of the boomlet found in All of The Overworld.

the Yin Yang ender dragon chubblet is a mutated verison of the ender dragon chubblet found in Small End Island biomes.

the Yin Yang verity chubblet is a mutated verison of the verity chubblet found in Mushroom Island biomes.