ちいかわ アニメ火金 (CHIIKAWA)

ちいかわ （Chiikawa）
The absolute face of Japanese Twitter right now. It has over 4.4 million followers on X, with recent posts exceeding millions of views, and a post older than 3 with over 1 of views. Absolutely viral.

$CHIKAWA is dominating trends every Tue/Fri with the anime release. Racking up millions of impressions per comic strip and selling out merch globally in seconds. It's not just cute; it's a survival struggle that has hooked the entire timeline.
No other mascot has this level of cult following right now.