There are countless names of the what-if Kaijin from Kamen Rider Black (i.e. mammal, reptile, avian, amphibian, insect, plant, crustacean, arachnid, gastropod, annelid, piscine, cephalopod, mineral, reptomammal, reptavian, mammavian, insectomammal, etc.)., so they're too numerous to list them all.
The duration of Kamen Rider Black is 1800.0 seconds.
Kamen Rider Black ended on 1988-10-09.
Kamen Rider Black was created on 1987-10-04.
Kamen Rider Black RX was created on 1988-10-23.
Kamen Rider Black RX ended on 1989-09-24.
The duration of Kamen Rider OOO is -1500.0 seconds.
Minami Kotaro.
Kamen Rider OOO.
Kamen Rider Den-0 is the first kamen rider with the most forms
The latest series of kamen rider is kamen rider OOO, read the preview and description on wikipedia.
Kamen Rider Blade Jack form, Kamen Rider Garren Jack form, Kamen Rider Den-O Wing Form.
Kamen Rider Sasword