Sui-San was a Titan and the absent mother of Thanos.
Biography[]
Sui-San mothered a son, Thanos, with A'Lars, the architect of the Eternal City. However, Sui-San became absent to Thanos following his birth.[1]
Powers[]
- Titan Physiology: As a Titan, Sui-San possesses much of same physical constitution and abilities from her extinct species, possessing incredible superhuman speed, reflexes, and strength.
Relationships[]
Family[]
Trivia[]
- In the comics, Sui-San was a member of the Eternals, who was found by A'Lars, siring with him two sons, Thanos and Eros, after founding the new Eternals of Titan. She would be later slain by Thanos during his attack on Titan, dissecting her with a medical kit to learn why he was different from other Titan children.
Behind the Scenes[]

Concept art of Thanos' family
- Ryan Lang drew two pieces of concept art for either Avengers: Infinity War or Avengers: Endgame, featuring a young Thanos with his father, A'Lars; his mother, Sui-San; and his younger brother, Eros.[2]