Roman Sionis
Birthdate 1956 (age 64)
Occupation Crime Lord
Species Human

Status Alive

Played by William Fichtner
First seen Signal Fire
Last seen Beware The Batman

Take Your Time (in the past)

Roman Sionis is the most powerful crime lord in Gotham City and the leader of an international crime syndicate known as The Mask.

Early LifeEdit

At some unknown point, he became embedded in a deep rivalry with The Court of Owls, a crime syndicate that has controlled Gotham since the city's founding.

When Oswald Cobblepot was 15, Sionis convinced him to murder his abusive parents, afterward granting Cobblepot membership in The Mask and protection from prosecution for his actions.

Batman Season 1Edit

In Signal Fire,

In Black Mask,

In Family Matters,

In Quoth The Raven,

In All Our Times Have Come,

In The Sting,

In Beware The Batman,

Batman Season 2Edit

In Take Your Time,




  • 8/36 (Batman)

(Batman S1) (7/13)

(Batman S2) (1/13)

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