Geldam Kaijin
Ganikomoru
The last and only shown kaijin of the original Geldam. A crab/bat monster. It's destroyed, seemingly alongside Kamen Rider 1, when they crash into each other in the air and explode. Later, a remodeled version, with yellow boots, is rebuilt by Gel-Shocker. Episodes 78-80, 97
Gel-Shocker Kaijin
Gel-Shocker monsters were a combination of two creatures. They were considerably more dangerous and powerful than Shocker's monsters, on some occasions being able to defeat Rider 1.
Sasoritokages
A scorpion/lizard monster. Destroyed by Kamen Rider 1's Rider Return Kick.
Episode 81
Kuragewolf
A jellyfish/wolf monster. Destroyed by Kamen Rider 1's Rider Tailspin Shoot.
Episodes 82 and 98
Inokabuton
A wild boar/Japanese rhinoceros beetle monster. Destroyed by Kamen Rider 1's Cyclone Attack.
Episodes 83 and 98
Isoginjaguar
A sea anemone/jaguar monster. Defeated by Kamen Rider 1's Rider Point Kick.
Episode 84
Utsubogames
A moray eel/turtle monster. Destroyed by Kamen Rider 1's Rider Kick.
Episodes 85 & 98
Washikamagiri
An eagle/mantis monster. Destroyed by the sickle boomerang.
Episode 86
Kumolion
A golden-silk spider/lion monster. Destroyed by Kamen Rider 1's Rider Flying Chop.
Episodes 87 and 98
Nekoyamori
A cat/gecko monster. Defeated by Kamen Rider 1's Rider Kick.
Episode 88
Canarycobra
A canary/cobra monster. Destroyed by Kamen Rider 1's Rider Moon's Surface Kick.
Episode 89
Nezucondor
A house mouse/condor monster.
Episode 89 & 90
Remodeled Nezucondor
A recreated version of Nezucondor. Destroyed by Kamen Rider 1's Rider Moon's Surface Kick.
Episode 90
Mukadetiger
A centipede/tiger monster. Destroyed by falling into the basin under waterfall.
Episode 91 & 98
Haetoribachi
A venus flytrap/bee monster. Destroyed by falling into the sea.
Episode 92, 93 & 98
Eidokugar
A stingray/poisonous moth monster. Destroyed by Kamen Rider 2's Rider Tailspin Shoot.
Episode 93, 94 & 98
Namekujikinoko
A slug/toadstool monster. Destroyed by Kamen Rider 1 and Kamen Rider 2's Rider Double Kick.
Episode 93 & 94
Garaox
A crow/ox monster. Destroyed by Kamen Rider 1's Rider Moon's Surface Kick.
Episode 95 & 98
Sabotenbat
A cactus/bat monster. Defeated by Kamen Rider 1's Rider Kick.
Episode 96 & 98
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