These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Complete Monster: Protoboy. He would kill his own brother, destroys everything just for the sake of destroying it, and is just generally an unpleasant character. It could even be argued he's more evil than Kamikazi.
Fridge Brilliance: The "Robotboy = Pinocchio" equation seems simple at first: Robotboy wants to be a human, just like Pinocchio. But remember how Pinocchio is/was a puppet? In a sense, Robotboy is a puppet, too — he does whatever Moshimo/Tommy/Gus tells him to do because they're his friends, but Kamikazi can also control him in a different way.
Fridge Horror: Both Robotboy and Robotgirl are walking weapons platforms with the minds of children.
Fridge Logic: After Protoboy was permanently deactivated, it's shown that Kamikazi put him in a reject closet. In that state, Protoboy was harmless — why didn't Kamikazi just take him and reprogram him again to be less evil?
If Gus' parents are Amish, why are they living in the city?
In a sense, Constantine. Sure, he is a bad guy, but Kamikazi mistreats him very badly, and on some occasions he is shown to be nicer than his boss, such as "Teasebots". Also, in "Kamispazi!" it's implied that he grew up at an orphanage. If that doesn't make you want to hug him, nothing will.
Tommy too, especially in "I Want That Toy" and "Crying Time".