Mindwipe

A mystic with a vampire-like personality; spends most of his time trying to contact the electromagnetic essences of long-dead Decepticons than talking to live ones. Binary-bonded to Vorath, former Nebulan Minister of Science, expelled from office as a result of an illegal experiments scandal. In bat mode, has hypnotic stare, flies at 700 mph. In robot mode, uses "viper pistol"—shoots streams of neuro-circuitry paralyzing liquid.

(Source: Wikipedia)