Sackboy

Sackboy is an alien in Sem 10. Sem first transformed into him when fighting Simien.

Abilities

 * Enhanced agility
 * Small size
 * Different costumes
 * Using stickers

Weaknesses

 * Pulling his string
 * Opening his zipper

Appearances

 * The Amazing Simien 10 and Sem 10 Colossal Crossover! Thingy (Coming soon)