Tōsen's "zanpakutō" is called . Its abilities are vibrations. In its shikai, Suzumushi releases high-pitched tone that renders unconscious anyone who hears it. Its second form, Benihiko, sword creates trail of hundreds of blades, which rain down on his opponent. "Bankai" state, "Suzumushi Tsuishiki Enma Korogi", allows Tōsen to create a sensory deprivation dome around himself and his opponent. After being modified by Aizen, Tōsen gains the powers of a Vizard and uses his Resurrección "Suzumushi Hyakushiki Grillar Grillo" to become an insect-like hollow and regain his sight. This makes Suzumushi a Zanpakutō with the highest known amount of release forms. He is voiced by Toshiyuki Morikawa in the Japanese version and by David Rasner in the English dub, until episode 278 when replaced with Brian Palermo.