Question: Who is Raven and where did they come from?
Question: Why is the only word that Kirby can say through the entire show is "Poyo"? And is there any relation to the Spanish word "pollo" of the same pronunciation that means chicken?
Chosen answer: No it has nothing to do with the Spanish word pollo. Kirby is saying that because he is young, just a baby.
Answer: They came from Azarath aka Earth.