Nurikabe (Kamen Rider Hibiki)

Nurikabe: The giant type Makamou with a snail head and a Bagworm moth body, posing as a tree in Shimotsuke before it crawled towards the city until it was destroyed by Hibiki's Mouka Dotou form.

During the start of Orochi, a Nurikabe appeared around the Western House. The Man was unable to seal it, forcing him and the woman to destroy the berserk monster.

Douji and Hime
Douji and Hime of Nurikabe They were raising a Nurikabe at Shimotsuke, able to merge into trees, and use their bodies to body-slam a person to death before feeding the victim to their child. They were the first to be receive the Armored forms, overpowering Hibiki at the first round. But the duo regressed as a side effect of the armor in the second bout, and were both killed by Hibiki's RekkaDan.

Superhero Taisen
In Kamen Rider × Super Sentai: Super Hero Taisen, Nurikabe is one of Dai-Shocker's Great Commanders. He takes on the Gokaiger successfully, but is later seemingly defeated by the combined Rider and Super Sentai forces. His human identity isn't made clear in the movie.