The Doko Demo Issyo series has often had merchandise made of it. Most of these include figures by Revoltech. and dolls by other companies.
In 2007. Revoltech made a figure of Toro Inoue and Kuro with alternate faces. They also made figures of Suzuki, Pierre, Ricky, and Jun. There are also special figures which are only obtainable by winning them from a UFO Catcher or buying them off of a website. The UFO figures are:
- Toro and Kuro dressed up as pumpkins
The set includes a pumpkin costume for both Toro and Kuro. a teacup and a small pumpkin for Toro to hold. and a small pumpkin and a bowtie for Kuro.