Let's start with the fact how Kopa was never and is not canon nor a movie character at all: link.
But some people think that the もっと見る believers Kopa has the もっと見る real he'll become. As in that if many enough believe in him as canon regardless of ディズニー saying he's not, ディズニー would make him into what those believers want him to be.
Well, Kopa believers: If I were you, I wouldn't hold my breath. And here's why.
The 本 and Kopa are outsider written and look what happened: ディズニー approved him for profit and childrens' entertainment in 本 known only in USA and did not even refer to him in the...