|This article is about a/an mecha in Kamen Rider Drive.|
The Rider Robo (ライダーロボ Raidā Robo) is a giant robot form of the History Modifying Machine (歴史改変マシン Rekishi Kaihen Mashin), achieved by the machine using Kamen Rider 3 as its engine and appearing exclusively in Super Hero Taisen GP: Kamen Rider 3. It is controlled by the Great Leader of Shocker, whose spirit was housed in it. The Rider Robo's design resembles that of the original series Riders, even including a Typhoon-like belt attached. With Rider 3 as its power vessel, it erased Kamen Rider J in Jumbo Formation from time, alongside several other Kamen Riders, but Rider 3 manage to increase his willpower to freed himself to aid the remaining Riders, rendering the robot powerless to use the history alteration power. It is later destroyed by Shurikenjin Tridoron.
SIC Hero Saga
In SIC Hero Saga, the Rider Robo appeared in the World of OOO. It hijacked Kamen Rider OOO and gain a giant OOO Driver allows it to transform into a giant OOO-like biological robot, with not only the copy of Latorartar Combo, Sagohzo Combo, Shauta Combo but also Rider Robo's own Combo, the Nejiba Combo (ネジバコンボ Nejiba Konbo).
- The Rider Robo's use of the History Modifying Machine as a weapon is similar to the Krenim temporal weapon ship from the "Year of Hell" two-parter of Star Trek Voyager.
- Rider Robo's name is a reversal of Robo Rider.
- Rider Robo is the second giant villain in a Super Hero Taisen film to have a suit actor, with the first being Demon King Psycho from Super Hero Taisen Z. All previous giant villains from the first Super Hero Taisen film (Big Machine) and Kamen Rider Taisen (the Generalissimo of Badan) were CGI characters.