King of Athens, acquaintance of Jason. He and a small entourage of soldiers track the Amazons to Cheiron's Academy, where he attempts to reclaim them as slaves. During the Combat by Champion, he elects Hercules to fight against Cyane. He is forced not only to release them, but to abolish slavery in Athens entirely when Hercules makes that his one request for winning the fight.
- Leeseus' personal life is never brought up in the short time he appears. Thus, nothing is known about his family.
- Being a human, he has no known supernatural abilities. However, he seems very adept at using the law to his advantage.