Mind Control (fear) – The ability to create fear in a target.
Mister Fear (Marvel) uses psychoactive agents.
Phobia (DC) uses a specialized type of psychic power to create fear in her target. In the New Teen Titans V2 #43, Phobia is forced to confront her own fears by Raven (DC) using her empathic powers and is rehabilitated or at least temporarily.
Scarecrow (DC) also uses chemicals to generate fear and is much more famous than Mister Fear.
Apple Jack (Impact) projects and aura of fear (Who’s Who in the Impact Universe #1).
Mindgame – Cyberforce-Sourcebook #2
“The Fear Master” – Tales of the Unexpected #88 (DC)