Mazrim Taim

Chapter 46 - Working Leather

Taim — aliases: M'Hael

Orchestrates a growing schism within the Black Tower by favoring certain followers and accelerating their training through private lessons. Allows Aes Sedai to bond Asha'man while manipulating newcomers with rumors that isolate Logain's faction.

Chapter 53 - Gateways

Mazrim Taim / Taim

Demonstrates his fortified defenses and announces strict control over all comings and goings, hinting at his awareness of White Tower internal politics.

Chapter 56 - Something Wrong

Taim / Mazrim Taim — aliases: M'Hael

Maintains strict control over the Black Tower, doubles guard posts at night, and publicly elevates the imposter Mezar to full Asha'man status.