- Seigi Choujin
- Homeland: Sri Lanka
- Age: 19
- Choujin Power: 250,000
- Height: 215 cm
- Weight: 100 kg
- First Appearance: 21st Choujin Olympics
- A tea cup choujin. Used his tea bag to batter his opponents. He was defeated in the first round of the 21st Choujin Olympics when Warsman punched through his chest, tore off his head, and drank from it. He seems to have been revived off-screen sometime after, as his thoughts on the climactic battle Kinnikuman and Warsman are recorded after the Olympics.
- Teapackman later appears during the Golden Mask Arc in the anime as one of the Choujin stuck in a life-supporting bubble and holding up the Diamond Ring during the match against Akuma Shogun .
- Years later, one month after the Three Way War between Justice, Devil and Perfect Choujin, Teapackman would reappear, dramatically different in appearance, looking less like his thin self and far more muscular, to fight Omegaman Aristera and Omega Centauri's Six Spears. Unfortunately, despite his years of training, he was killed by Hailman.
- In Kinnikuman Nisei, he becomes a teacher at the Hercules Factory. He is renamed "Tea Pac" and reconcepted as a gangster rap character in Ultimate Muscle.
Tea Pack Whip: Teapackman whacks his opponent with his tea bag.
Deadly Tea Time: While choking his foe with his tea bag, Teapackman places his foe into an Indian Deathlock at the same time.