Dr. Yen Sin

Real Name: Unknown - possibly Yen Sin

Identity/Class: Normal human

Occupation: Criminal mastermind

Affiliations: Dacoits, Sonia Damitri (unwilling ally)

Enemies: Michael Traile ("the Man Who Never Slept"), Sonia Damitri (coerced into helping Yen Sin through threat to her kidnapped father, often worked secretly to thwart him), Eric Gordon

Known Relatives: None

Aliases: Crime Emperor, Invisible Peril

Base of Operations: Mobile

First Appearance: "The Mystery of the Dragon's Shadow," Dr. Yen Sin (Popular, May/June 1936)



Comments: Created by Donald E. Keyhoe.


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