Alien Tiborus has a green plant body with a reddish-pink colored chest, neck and head. He has a round nose/mouth and two curved stem-like things coming from the top of his head. The stems have black fur or hair hanging from them. This black hair is also seen on the monster's face.
Alien Tiborus was the twenty-seventh monster to fight Godman.
Alien Tiborus also appeared in episode 36 of Go! Greenman. He was the thirty-seventh monster to fight Greenman. In the show, Tiborus was blind and his strength could be enhanced by music. After a very long battle against Greenman, in which the hero was also hindered by Tonchiki multiple times, Greenman was eventually victorious.
- In Go! Greenman, Alien Tiborus was able to blind Greenman by putting caps made of dirt over his eyes.
- In Go! Greenman, Alien Tiborus was very heavy and difficult to throw down.
- In Go! Greenman, Alien Tiborus' strength could be enhanced by music.
- In Go! Greenman, Alien Tiborus was blind and because of this was very clumsy.