Gryllus Worm http://www.kamen-rider.com/database/2006_kabuto/images... The form Mishima took on after using multiple necklaces to forcefully transform himself into the "strongest Native", able to contend with the likes of Dark Kabuto and Hyper Kabuto and overpower them. He was destroyed by Hyper Kabuto and Gatack's (Double) Rider Kick.
