Space Dino is a strange, dinosaur-like alien who sits on a meteoroid, and is always seen with a tennis racket, which it uses to hit celestial objects.
The creature made its first appearance as "Alien Species 559" in The Duck Brothers.
- The Duck Brothers (as "Alien Species 559") (debut)
- 1000 Years of Courage
- Mega Muriel the Magnificent
- Car Broke, Phone Yes