Karzan was a former Admiral in the Romulan fleet who took over as the Praetor of the Romulan Star Empire after the assassination of his predecessor, D'deridex, during the Earth-Romulan War in 2156.

D'deridex's death had been arranged by Admiral Valdore and the Praetor's key advisor First Consul T'Leikha due to his increasing obsession with the invasion of Haakona. It was made to look like a skimmer accident.

Following the defeat at the Battle of Cheron Karzan directed Romulan negotiators to only use audio channels in treaty negotiations, believing it to be an advantage if Earth and its allies did not learn of their connection to the Vulcan race. Both he and Valdore felt that a defined boundary behind a Neutral Zone would give Romulans the time they needed to rebuild their strength before renewing their fight. (ENT novel: Beneath the Raptor's Wing)

Karzan was later one of the signatories of the peace treaty which established the Romulan Neutral Zone at the end of the war. (Star Fleet Technical Manual, TO:00:01:06).

Praetors of the Romulan Star Empire
primary universe PontilusSartorixColiusComiliusD'deridexGileus IVarus IIIKarzanVraxGaiusAratenikDralathDarokNarviatNeralHirenShinzonTal'AuraGell KamemorChulanTarisSela Emblem of the Romulan Star Empire.
the Praetorate Eveh tr'AnierhHloal t’IllialhlaeAhrm’n tr‘KiellUrellh tr'MaehhliGurrhim tr'Siedhri
Kelvin timeline BervasDecius
mirror universe Hiren
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