creeper bosses

it would be so cool if this  new boss would be in Minecraft. the first boss i will talk about today is the earth creeper ,this new creeper will be spawned by a player like the Wither. to spawn it you will need 4 dirt and 1creeper head, place the dirt the same way you would place soul sand for the Wither then place the creeper head on top. This will spawn the earth creeper. The earth creeper will cause earth waves to zoom at you at surprising speeds. if you get hit by one you will fly 20 blocks in the air. it will also throw TNT at you. it will have 300Hp and it will only spawn after you kill the ender dragoon.