- Classification: Seigi Chojin
- Homeland: Hawaii, USA
- Age: 18, 56 (Nisei)
- Height: 195 cm
- Weight: 110 kg
- Chojin Kyodo: 850,000 Power
- Trademark Techniques: Move Reversion
- First Appearance: Manga Chapter 53, Anime Episode 19
Jesse Maivia is a champion of the Hawaiian Chojin world and a master of Move Reversion. He was so powerful he defeated the great Prince Kamehame to become the Hawaiian Champion, and is the only character in the series to defeat him in a singles match. However his power and skill make him arrogant and he never learns his own techniques, instead relying only on his Move Reversion. This leads him to lose the belt to Kinnikuman, but he regains it later from Kamehame.
He returns during the 21st Chojin Olympics and again more prominently during the Survivor Match for the Kinniku Throne. By this time he has lost his arrogance and is depicted as a more level-headed character.
He appears in Kinnikuman Nisei as a trainer at the Hercules Factory.
- Hawaiian Championship (2nd, 4th)
- BIG MOUNTAIN
- Master of Move Reversion (返し技の名手, Kaeshiwaza no Meishu)
- Win/Loss Record (Singles)