If you are consuming fan content involving this persona, expect the following tropes:

If I'm not mistaken, Zankuro refers to the main antagonist of the manga and anime series "Golgo 13". However, I couldn't find any direct connection between ECM (European Central Bank) and Zankuro.

Here’s a balanced product review for (assuming you’re referring to a coffee machine, grinder, or related espresso accessory — as “Zankuro” isn’t a standard ECM model; if it’s a custom or niche item, feel free to clarify).

If you were instead looking for a specific game or code by this name, it is likely an obscure title; however, based on common search trends, here is the guide to the character and the meme.