Last week I noticed the Gugugaga Penguin meme exploding on Bilibili and TikTok — a chibi penguin form of the Endministrator character from Arknights: Endfield , babbling baby-like "gugu gaga" sounds. Within three weeks of the original Feb 19, 2026 post on Bilibili, it had jumped to Douyin, X, and English-language TikTok, and the search query started climbing fast. When I went looking for a clean reference page about the meme — origin, tools used to make it, starter prompts — every result was either an affiliate-stuffed landing page or a SEO trap with auto-generated content. So I shipped one myself on May 6, 2026, in about 90 minutes of focused work. This is a quick walkthrough of the stack and the decisions behind it, in case you want to do the same for your own niche topic.…