Thank for the tutorial i have use this bunyip over 4 years and i start replaced your bunyip into armor stand and dye all the leather armor to green and i use the creeper head from the bunyip
I made 4 of them in my minecraft World but 2 of them are really hard to make an animatronic and the other animatronic i made is so huge it was so hard that i almost give up but hey i did it