Avatar: Seven Havens may have radically changed the world of Avatar, but the post-apocalyptic series still finds a way to continue one of the franchise's best running gags: the enduring plight of the cabbage merchant.

Introduced in Avatar: The Last Airbender , the cabbage merchant (voiced by James Sie) rarely gets to actually sell any cabbages. That's because his cart keeps getting destroyed, either by Aang's airbending, Ba Sing Se security officers, or a rogue rabaroo. At each loss, he lets out a woeful "My cabbages!" — a line delivery that is so ingrained in my mind, I can't think of cabbage without it.

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The cabbage merchant's legacy continues in The Legend of Korra . Between Aang's time and Korra's, the cabbage merchant founds car and tech company Cabbage Corp, a competitor of Future Industries.…