SpongeTrons X, Y, and Z are three of SpongeTron's clones. They only appear in the episode "SB-129." They are three of all 486 of the SpongeTron's clones.
The identical SpongeTrons all greatly resemble SpongeBob, with all of them wearing Krusty Krab employee hats and the same clothes as SpongeBob himself.
Role in episode
Their behaviors are much like SpongeBob's, as they are clones of him. They are also best friends with Patron, and they love jellyfishing, as in the episode, they pull out some jellyfishing nets and excitedly yell "Jellyfishing!"