The Snowman Imagin is an Imagin and the main antagonist of episode 45 of Kamen Rider Den-O.
He was voiced by Tōru Ōkawa.
The Snowman Imagin made a contract with the Storekeeper of a watch store and completed it by giving out stock by giving out the stock of the store to people as presents. Den-O attempts to stop him as Sword Form but is unable to prevent the Imagin from going back in time to find the Ryotaro of the past. The Snowman Imagin is later fought by Den-O again in Liner Form. He is destroyed as he attempts to flee Den-O's finishing attack.
- The Snowman Imagin is the first Kaijin in Heisei Kamen Rider to not be themed after an animal, instead being based off a snowman.
- The Snowman Imagin is also the second snowman-themed monster in the Kamen Rider franchise as a whole after Snowman from the original 1971 Kamen Rider series.