Ambassador Hell is the third and final Shocker commander to appear and a major antagonist in the Japanese TV series Kamen Rider. His weapon is a whip. He is able to become Garagaranda, a rattlesnake monster.
He later appears as a major antagonist in the 2011 40th anniversary crossover film Kamen Rider Decade: Let's Go Kamen Riders, as well as the secondary antagonist of the 2016 45th anniversary film Kamen Rider 1.
He was portrayed by the late Kenji Ushio in the original Kamen Rider series, who also portrayed his twin brother Ambassador Darkness in the Kamen Rider ZX special and Doctor Q in Kyodai Ken Byclosser. His monster form Garagaranda was voiced by the late Eken Mine. In his appearances in the movies Kamen Rider Decade: All Riders vs. Dai-Shocker and Kamen Rider 1 he was portrayed by the late Ren Osugi.
After Kamen Rider Ichigo defeated Dr. Shinigami, Ambassador Hell was summoned from his Shocker branch in the United States, to take command of the Japanese Shocker branch.