Elephants that can spray water and wear banners

Elephants would be a new tameable mob found in the savanna biome. They would be one of the biggest mobs you can ride second to the happy ghast. You would be able to tame an elephant by feeding it hay bales. Riding an elephant wouldn't require a saddle but you would not be able to make it jump. You can place up to two chests on an elephant, each giving 15 slots of storage. You could also place any custom banner on an elephant, which would appear on both each of its sides and will give a decorated design according to the banner's color, similar to carpets on llamas. Elephants could also have the ability to inhale and spray water. By right clicking on water while on a tamed elephant, its trunk will start inhaling water and slowly fill up a water meter. Then you could spray the water by right clicking again. The stream of water coming from the trunk would act as a series of splash potions of water, it would extinguish any fire and damage fire related mobs. It would also turn lava into obsidian.