Do Joyboy or Sun God Nika take over Luffy's body and mind when he is using Gear 5?

To nobody's surprise, One Piece Episode 1071 managed to break the internet, going as far as taking down the servers of Crunchyroll for a good while. Toei Animation did a fantastic job animating Luffy's Gear 5 just as Oda and manga fans envisioned it. However, one bizarre question surfaced after the episode. Do Joyboy or Sun God Nika take over Luffy's body and mind when he is using Gear 5?

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