My friend Fang gave me a character of theirs that they made but never used that i really loved so meet Toxi the Venom Kobold! He can remove the orb at the tip of his tail and grow larger! he also has a venom/poison that can cause you to hallucinate things based on your mood!

In this form he is 10ft 2in!

Form 1: https://www.furaffinity.net/view/38564657/