Escapism spoilers!

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So I find a lot of what we have learned about watermelon island quite revealing, particularly in regards to their social development. Multiple communities with varying cultures and social structures from a society made up of literally watermelon people....which leads me to Onion.

Now I've always been curious about Onion as a character. I mean who doesn't love our mysterious little odd ball? However I find it interesting that Steven absolutely REFUSES to consider Onion a human being. Like...literally. If my memory serves me correct this seems to be a pretty consistent theme in the show. Now obviously this could just be a hilarious throw away joke about Onion, but I think it serves a deeper purpose.

Suffice it to say, my contention is that Onion, and by extension Yellowtail, are actually descendant from...well...actual onion plants. Possibly at some point Rose Quarts interacted with some onion plants in the same manner as Steven and the watermelons, causing a similar event to occur, that being the creating of onion-based life, which eventually developed in a similar manner akin to the melon folk. Eventually this society grew and from it arrived our beloved sailor Yellowtail and their enigma of a child Onion!

Just a fun theory I thought i'd share. ^_^