- Classification: Kaijū
- Homeland: Earth
- Height: 2 m
- Weight: 2 t
- Trademark Technique: Dripping Nose
- First Appearance: Manga Chapter 2, Anime Episode 5
Gorizaemon (ゴリザエモン) is a gorilla Kaijuu whose specialty is making his nose drip on command. Kinnikuman hires him to kidnap pop idol Nana Takahara so Kinnikuman can save her and win her over, but he falls for Nana and fights back. Kinnikuman eventually defeats him. He has a sister named Gonta.
- Family: Gonta (brother)