This dear little beast has always been around for me. Everything is scary when you're a kid, and believing in a strong character that could protect you is pretty standard. I just happened to pick weirdos.
When I was young, I would create my own physical marx-es out of paper or with my poorly needle-felting skills. I wish it had been earlier, but you can imagine how excited I was when the first official marx plush released in 2017. Since then, I have collected many pieces of Marx merch, and run a website dedicated to archiving marx merchandise.
The closest we have gotten thus far (besides merchandise featuring both of them) is a post from the official Japanese Kirby Twitter in 2017. This post from April Fools day depicts Marx and Magolor tricking multiple characters into walking around a post by convincing them it will turn into a cake. They are later made to bake cakes as an apology.


"Lovingly dedicated"? Magolor, what did you mean by this??
okay nevermind.
