Monchhichi Series List & Full Chronology

Every Monchhichi blind box series released by Sekiguchi — complete release history maintained by TOYSEZ Data.

Designed by Yoshiharu Washino · Japan · Brand: Sekiguchi

About Monchhichi

I am Monchhichi — a small plush monkey with round eyes, a soft body, and a thumb pressed gently to my lips. Yoshiharu Washino designed me in 1974 for Sekiguchi, and from the moment I arrived, something about that pose — quiet, self-soothing, just a little dreamy — connected with people in a way no one fully expected. In Japan I was a comfort toy. In 1980, Mattel licensed me for the United States and I became a Saturday morning cartoon character, a shelf staple, and a piece of childhood that an entire generation still remembers by feel more than by name. My name comes from the French mon — mine — and the Japanese chichi, an affectionate syllable that sounds like something a child might say. I was always meant to belong to someone. Over fifty years have passed since Washino first drew me. Sekiguchi still produces me in Ome, a small city in the mountains west of Tokyo, using the same handcraft plush techniques the company has refined across its seventy-year history. In 2024 I turned fifty, and collectors around the world marked the anniversary with limited edition releases that brought me back to the shelves as both a nostalgic object and a new discovery. Today I appear in blind box series and collectible collaborations — still round, still quiet, still pressing my thumb to my lips.

Designer

Yoshiharu Washino (1942–2007) was a Japanese toy designer and founder of Washizaki Design Studio, best known for creating Monchhichi in 1974 for Sekiguchi Co., Ltd. His design — a plush monkey doll with a thumb-sucking pose and warm round eyes — captured a universal sense of comfort and became a global toy phenomenon. Monchhichi's enduring popularity across decades reflects Washino's instinct for characters that carry emotional resonance across cultures.

Release History

From the debut series to the latest releases, this page tracks the complete Monchhichi chronology. Series are sorted newest-first. Click any series to view its full product collection, pricing, and availability on TOYSEZ.