To start, let’s remember what happened to Mars on Egghead. Three chapters before Joyboy’s haki is released, Mars gets absolutely sent by an intense attack by Luffy. This is the last we seem of him until Chapter 1122, where he is already seated on the couch at Mary Geoise.
I’ve heard some people say that Luffy launched him outside the “summoning circle range” and that is why he was already there, but I don’t think that is true. His yokai form can quite literally fly, and all elders have been shown to have what seems like infinite regeneration abilities. Why would he return to Mary Geoise? Mars also had absolutely no way of knowing that Emeth would release Joyboy’s haki, so why would he retreat?
Because he is a traitor.
In the past, people at speculated at the fact that each of the five elders represent a certain race within One Piece. Mars’ similarities being with Gan Fall, aka a Skypiean.
Skypiea has tons of ties to Aztec culture and mythology. More specifically, the Aztec god by the name of Quetzalcóatl.
Now, how is the Quetzalcóatl described as being? A Feathered Serpent. His powers? Rain, science, environment, the god of agriculture. Marcus Mars is also the Wargod of Environment.
How is the Quetzalcóatl described as a being in human form? A white-skinned, long-bearded man, who was opposed to human sacrifice.
Starting to see the connections?
At this point, I feel like it is pretty clear that Oda has taken at least SOME inspiration of the Quetzalcoatl and Marcus Mars character as a whole.
The Quetzalcoatl is also described as one of the few gods that always taught virtue and had always had interest in preserving and saving humanity.
It was also said that this god worked and lived with the other gods to create the world. Despite his distaste for them. He hated them because he watched as they did bad things to the human race. So he sat and waited for his time to strike.
At Ohara, we see Marcus Mars seems to be the only person who is actually in some sort of moral distress about the whole situation.
My final point, Mars connection to Sun God Nika and Uranus.
Uranus is an ancient weapon, and we know that Joyboy willingly made an effort to make sure the ancient weapons weren’t destroyed throughout history. That leads me to believe that they aren’t all that bad, and at some point the Strawhats may have to use them.
How is Uranus described?
What I want to note: “combined devices indicating the Sun plus the spear of Mars”
How is Sun God Nika depicted? Holding a spear…
With all of this being said, I believe Marcus Mars will betray the Elders eventually, when the time is right. As for in-world connections, I believe there is more information between him and Gan Fall that has yet to have been revealed. Skypiea has so much more information that most people realize.
Theory by Narutoismygoat04 (https://www.reddit.com/user/Narutoismygoat420)
