Mini-Bucketlings

Mini-Bucketlings (ミニバケツ星人, Mini buketsu seijin) are child-sized spacelings with buckets as heads.

Plot
Two Mini-Bucketlings infiltrated the Treegun Elementary School in order to get the treasure the rich kids possessed. As they were killing people, a section of the school was closed. Their killings attracted Shimada Death, as she came to consume the death. Zaha and Avakian went to inspect the section, were they saw Shimada, which told them that the Mini-Bucketlings killed all the people. As the Mini-Bucketlings understood who Zaha was, one of them breath poison on him and the other one shot Avakian while he was trying to help Zaha. As they continued fighting, Zaha threw his axe and killed of them. As the second one was about to kill Zaha, Shimada blew his head and ate their Flesh of Death.

Abilities
Due to the unique environment, living on a pollution planet, the Mini-Bucketlings are capable of breathing strong poison.