sentences:  He is mentioned by name early in the series, but his first on-screen appearance is in the fourth season episode "The Hour of the Wolf".Cartagia was the nephew of Emperor Turhan.When Cartagia was installed as emperor in 2259 by a group of Centauri politicians led by Lord Refa and Londo Mollari, he acted as, essentially, a powerless figurehead; however, he gradually amassed near-absolute power.