As a Nobody, Zexion appears as a calm and collected individual that shows little emotions, although he is sometimes seen smirking or grinning. Zexion holds a fondness for literature and the humanities. Until his death, Zexion kept his calm and cool façade. When Axel encouraged the Riku Replica to kill him. He acts as the mastermind behind Lexaeus and Vexen. He reprimands Xigbar's habit of eavesdropping and gossiping and tells him to get back to work. He has a strong distaste for laziness.