Hanky Poo is one of those weirdly charming characters that pops up in 'South Park' every now and then, but he’s not what I’d call a regular. He’s the living, talking Christmas poo—yes, you read that right—and he first appeared in the 1997 episode 'Mr. Hankey, the Christmas Poo.' Since then, he’s become a sort of holiday staple for the show, showing up in special Christmas-themed episodes. He’s got this bizarrely wholesome vibe, despite being, well, a piece of sentient feces, and his appearances are always tied to the festive season.
What’s interesting about Hanky Poo is how he embodies the show’s love for absurdity while also being oddly endearing. He’s got a jingle, a family, and even a whole backstory, which is peak 'South Park' humor. But unlike mainstays like Cartman or Kenny, he’s more of a seasonal treat. If you binge the series, you’ll notice he’s absent for most of the year, only resurfacing when the snow starts falling. It’s kind of fun how the creators keep him niche—it makes his returns feel like a weird little holiday tradition.